Reference

Glossary

Definitions of the terms used across Emailit and email in general, from API key to workspace.

acceptedEmail logs: Email status: Emailit accepted the email and queued it for delivery.Learn more →
Accountalso: userAccount & security: Your personal Emailit login, with your name, email address, password, two-factor settings and passkeys. One account can be a member of several workspaces.Learn more →
Add-onBilling & credits: An optional paid extra on top of your plan, such as longer data retention or a dedicated IP.Learn more →
Admin (role)also: administratorWorkspaces: The workspace role with full access: settings, members and invitations, API keys, billing and production access requests.Learn more →
Advanced analyticsAnalytics: The Analytics tab on Pro and above, with charts for email statuses, server responses, time to inbox and delivery by provider.Learn more →
Aliasalso: template aliasTemplates: A readable template identifier, such as welcome-email. All versions of a template share one alias, and sending by alias uses the published version.Learn more →
Alignmentalso: DMARC alignment, identifier alignmentDMARC reportsSending domains: Whether the domain in the From header matches the domain that passed SPF (MAIL FROM) or DKIM (d=). DMARC needs at least one aligned pass, and relaxed alignment accepts subdomains.Learn more →
API keyAPI keys: A secret that authenticates API requests and SMTP connections for one workspace. Keys start with secret_ and are shown only once, when you create or regenerate them.Learn more →
Apple Mail Privacy Protectionalso: MPPOpen & click tracking: An Apple Mail feature that preloads remote images through proxies, so loads are recorded even when nobody reads the email. Treat open rates as an estimate.Learn more →
AppSumo licensealso: lifetime deal, licenseBilling & credits: A lifetime license bought on AppSumo and redeemed into one workspace. It adds monthly included credits on top of your plan and sets domain and member limits by tier.Learn more →
ARFalso: Abuse Reporting FormatDeliverability: Abuse Reporting Format (RFC 5965), the standard message format that feedback loops use to report a complaint about an email.Learn more →
attemptedalso: soft fail, deferredEmail logsDeliverability: Email status: a delivery attempt failed temporarily. Emailit retries up to 7 times over about 21 hours before it marks the email bounced.Learn more →
Audiencealso: list, mailing listAudiences: A named list of subscribers you send campaigns to. Each audience has its own subscribe URL and a subscriber limit that depends on your plan.Learn more →
Auto-refillalso: automatic top-upBilling & credits: A billing setting that buys credits automatically when your balance drops below a threshold you choose. It’s off by default.Learn more →
Automatic suppressionalso: auto-suppressionSuppressions: Suppressing addresses that hard bounce or complain without you doing anything. Pay as you go always suppresses both; Pro and Business can choose bounces, complaints, both or neither.Learn more →
Automationalso: workflowAutomations: A workflow that runs steps, such as sending an email or waiting, when a trigger fires. Each run costs 3 credits, plus 1 credit for each email it sends.Learn more →
BIMISending domainsDeliverability: Brand Indicators for Message Identification, a DNS record that points to your logo so supporting inboxes can show it next to your mail. It requires DMARC at quarantine or reject.Learn more →
Blocklistalso: DNSBL, RBL, blacklistDeliverability: A list of IP addresses or domains reported for sending spam, which receivers check before accepting mail. A listing can cause rejections until it’s removed.Learn more →
Bounce rateDeliverability: The share of sent emails that bounce. Emailit’s sending health measures it per unique recipient, and a rate above 4% puts a workspace at risk.Learn more →
bouncedalso: hard failEmail logsDeliverability: Email status: delivery failed permanently, or every retry failed. Repeated hard bounces and failed retries add the address to your suppression list.Learn more →
Businessalso: Business planBilling & credits: A monthly or yearly subscription with 2,500,000 included credits per month, higher plan limits and Queryable analytics.Learn more →
Campaignalso: newsletter, broadcastCampaigns: A one-time email to one or more audiences, built in a step-by-step wizard and measured in a report. Each campaign email costs 2 credits.Learn more →
CAN-SPAMDeliverability: A US law for commercial email: no misleading headers or subject lines, a valid postal address, and a working opt-out honored within 10 business days.Learn more →
canceledalso: cancelledEmail logsEmail API: Email status: you canceled the email before Emailit handed it to the recipient’s mail server.Learn more →
Catch-all domainalso: accept-all domain, catch_allEmail verification: A domain whose mail server accepts mail for any address, so verification can’t confirm that a specific mailbox exists.Learn more →
Click trackingalso: link trackingOpen & click tracking: Rewriting the links in an email to pass through your tracking domain, which records each click and redirects to the original URL.Learn more →
clickedalso: clickEmail logsOpen & click tracking: Email status: the recipient clicked a tracked link in the email.Learn more →
Client ID metadata documentalso: CIMDREST APIMCP server: A JSON document an OAuth client hosts at an HTTPS URL and uses as its client ID, instead of registering. ChatGPT, Claude and Grok connect to Emailit this way.Learn more →
CNAME recordalso: CNAME, canonical nameSending domains: A DNS record that makes one name an alias of another. Emailit uses one to point your tracking domain at go.emailitmail.com.Learn more →
complainedalso: spam complaintEmail logsDeliverability: Email status: the recipient marked the email as spam and their mailbox provider reported it through a feedback loop.Learn more →
Complaint ratealso: spam rateDeliverability: The share of delivered emails that recipients mark as spam. Gmail and Yahoo ask bulk senders to stay below 0.3%, and under 0.1% is a safer target.Learn more →
ComposeEmail logsDashboard: The dashboard form for sending a one-off email, for example a test, from one of your verified domains without writing code.Learn more →
Connected appAccount & securityMCP server: An AI assistant or other app you allowed to use Emailit through OAuth. Account > Connected apps lists each one with its workspaces and access, where you can edit its workspaces or revoke it.Learn more →
ContactContacts: A person in your workspace, identified by a unique email address, with a name, custom fields and audience memberships.Learn more →
CreditBilling & credits: The unit Emailit bills in. Each action costs a fixed number of credits, for example 1 for an API or SMTP email and 2 for a campaign email.Learn more →
Custom fieldContacts: A contact attribute you define for the workspace, such as plan or birthday. Types are text, number, date, boolean, select and multi-select.Learn more →
Custom planalso: Contract plan, EnterpriseBilling & credits: A contract plan with custom pricing, limits and data retention, paid by invoice. Request it from Workspace > Settings > Requests or contact sales.Learn more →
Data retentionLimits & retentionBilling & credits: How long Emailit keeps message contents, activity, logs and analytics. Defaults depend on your plan, and the data retention add-on lets you choose from 1 to 365 days.Learn more →
Dedicated IPDeliverabilityBilling & credits: An IP address only your workspace sends from, so its reputation depends only on your mail. Emailit offers dedicated IPs as an add-on on request.Learn more →
DeliverabilityDeliverability: How reliably your email reaches the inbox rather than the spam folder or a bounce. It depends on authentication, reputation, list quality and content.Learn more →
deliveredEmail logs: Email status: the recipient’s mail server accepted the message. It doesn’t tell you whether it reached the inbox or the spam folder.Learn more →
Deliveryalso: delivery attemptEmail logs: One attempt to hand an email to the recipient’s mail server, recorded with the server’s reply. An email has several deliveries when it’s retried.Learn more →
Disabled (verification result)Email verification: A full verification found that the mailbox exists but its provider has disabled it.Learn more →
Disposable addressalso: throwaway address, temporary emailEmail verification: A temporary address from a throwaway email service. Emailit’s verification flags these as disposable and rates them high risk.Learn more →
DKIMalso: DomainKeys Identified Mail, DKIM signatureSending domains: DomainKeys Identified Mail, a signature added to each message with a private key. Receivers verify it with the public key published in your DNS.Learn more →
DMARCalso: Domain-based Message Authentication, Reporting and ConformanceSending domainsDMARC reports: A DNS policy that tells receivers what to do with mail that fails SPF and DKIM alignment (none, quarantine or reject) and where to send reports about it.Learn more →
DMARC reportDMARC reports: A report mailbox providers send about mail that uses your domain, with SPF, DKIM and DMARC results per source. Emailit collects and charts them on Pro and above.Learn more →
Domain verificationSending domains: The DNS check that confirms your SPF, DKIM and return-path records. A domain can send only after all three pass, and Emailit re-checks every domain daily.Learn more →
Domain-restricted keyAPI keysSending domains: A sending-only API key limited to one sending domain. The API and SMTP reject mail from any other domain sent with it.Learn more →
Double opt-inalso: confirmed opt-in, DOIAudiences: A sign-up flow where new subscribers confirm their address by clicking a link in a confirmation email. Emailit doesn’t send confirmation emails, so run this flow in your own app if you need it.Learn more →
Dragitalso: drag-and-drop editorTemplatesCampaigns: Emailit’s drag-and-drop email editor for templates and campaigns.Learn more →
DSNalso: bounce message, NDR, non-delivery reportDeliverability: Delivery status notification, the automated bounce message a server sends back when it can’t deliver an email. Emailit matches DSNs to the original email and marks it bounced.Learn more →
Enhanced status codealso: DSN code, extended status codeSMTP relayDeliverability: A more specific class.subject.detail code from RFC 3463, such as 5.1.1 for an unknown mailbox, that follows the reply code in a server’s response.Learn more →
EventEmail logsWebhooks: A record of something that happened in your workspace, such as email.delivered or contact.created. You can list events in the dashboard and API, and receive them with webhooks.Learn more →
failedalso: errorEmail logs: Email status: Emailit couldn’t process or send the email because of an error.Learn more →
Feedback loopalso: FBL, complaint feedback loopDeliverabilitySuppressions: A service where a mailbox provider reports spam complaints back to the sender. Emailit processes these reports, marks the email complained and suppresses the address.Learn more →
Formalso: signup form, popupForms: A sign-up form, shown as a popup, flyout, banner, full page or embed, that you install on your site with one script tag. Forms are in early access.Learn more →
ForwardEmail APIEmail logs: Sending an existing email on to a new recipient, optionally with the original headers and a comment. You can forward 3 emails per hour per workspace.Learn more →
From headeralso: header From, visible From, RFC5322.FromEmail APISMTP relay: The sender address recipients see. DMARC checks that it aligns with the SPF or DKIM domain, and in Emailit it must be on a verified sending domain.Learn more →
Full access keyalso: full scopeAPI keys: An API key with the full scope. It can call every API endpoint and send from any verified domain in the workspace.Learn more →
GDPRalso: General Data Protection RegulationDeliverabilityContacts: The EU General Data Protection Regulation. For marketing email it means a lawful basis, usually consent, clear information about how you use the data, and an easy way to withdraw.Learn more →
Greylistingalso: graylistingDeliverability: A spam defense where a server temporarily rejects mail from an unfamiliar sender and accepts it when it’s retried later. Emailit’s automatic retries handle it.Learn more →
Hard bouncealso: permanent failureDeliverability: A permanent delivery failure, such as an address that doesn’t exist. Emailit marks the email bounced and suppresses the address if it hard bounces again within 24 hours.Learn more →
heldEmail logsDeliverability: Email status: Emailit is holding the email, for example because its spam score is 7 or more, its domain is paused or the workspace is out of credits. Fix the cause, then retry it.Learn more →
Idempotency keyEmail APIREST API: A unique value you send in the Idempotency-Key header so a retried send request doesn’t create a duplicate email. Emailit remembers each key for 24 hours.Learn more →
Implicit TLSalso: SMTPS, SSL/TLSSMTP relay: An SMTP connection that is encrypted from the first byte. Emailit offers it on port 465.Learn more →
Inbound emailalso: receiving emailInbound email: Email that Emailit receives for you on your inbound subdomain. Each received email costs 1 credit and triggers an email.received event.Learn more →
Inbound subdomainalso: inbound domainInbound emailSending domains: The subdomain that receives email for you, inbound by default, so any address like support@inbound.acme.com reaches Emailit. Its MX record points to inbound.emailitmail.com.Learn more →
Inbox full (verification result)also: inbox_fullEmail verification: A full verification found that the mailbox is over its storage quota, so mail to it is likely to bounce.Learn more →
Inbox placementDeliverability: Where a delivered email lands: the inbox, a tab such as Promotions, or the spam folder. The delivered status alone doesn’t tell you which.Learn more →
Included creditsalso: monthly creditsBilling & credits: The credits your plan adds every month. They reset each billing cycle, or at the start of each UTC month without a subscription, and are used before purchased credits.Learn more →
Invalid (verification result)Email verification: The address has bad syntax or its domain has no MX records, so it can’t receive mail.Learn more →
Invite codeWorkspaces: An 8-character code an Admin generates so someone can join the workspace as a Member without an email invitation. It expires after 24 hours.Learn more →
List-Unsubscribealso: List-Unsubscribe headerCampaignsDeliverability: A header that gives mailbox providers a way to unsubscribe the recipient, often shown as an Unsubscribe button. Emailit adds it to every campaign email.Learn more →
llms.txtREST API: A Markdown index of a site for AI assistants. Emailit publishes /llms.txt, /llms-full.txt, /docs/llms.txt and /docs/llms-full.txt, and a Markdown version of every docs page.Learn more →
loadedalso: opened, openEmail logsOpen & click tracking: Email status: the email’s images, including the tracking pixel, were loaded. Emailit says loaded rather than opened because privacy features can load images without anyone reading.Learn more →
MAIL FROMalso: envelope sender, envelope from, bounce address, RFC5321.MailFromSMTP relayDeliverability: The envelope sender address given in the SMTP conversation, where bounces go. It can differ from the From header, and Emailit sets it to your return-path address.Learn more →
Marketing emailalso: bulk email, commercial emailCampaigns: A message sent to many people to promote or inform, such as a newsletter. It needs consent and an unsubscribe link, and you send it as a campaign.Learn more →
MCPalso: Model Context Protocol, MCP serverMCP server: Model Context Protocol, an open standard that lets AI assistants call tools. Emailit’s hosted MCP server exposes the full API v2 as tools, so ChatGPT, Claude, Cursor, Codex, Grok and other clients can send email and manage your workspaces.Learn more →
Memberalso: workspace member, teammateWorkspaces: A person who has access to a workspace. Every member has a role, Admin or Member, that decides what they can change.Learn more →
Member (role)Workspaces: The workspace role for day-to-day work. Members manage emails, campaigns, contacts and templates but can’t change workspace settings, members, API keys or billing.Learn more →
Merge tagalso: personalization tag, variableCampaigns: A placeholder in a campaign, such as {{first_name}} or {{cf.plan}}, that Emailit replaces with each recipient’s data when it sends.Learn more →
Message-IDEmail APISMTP relay: A globally unique identifier in each email’s headers. Emailit sets it to an ID on your sending domain and returns it as message_id in the API.Learn more →
Metadataalso: metaEmail API: Key-value data you attach to an email with the meta field. It’s stored with the email and included in its webhook events.Learn more →
MIMEalso: multipartEmail APISMTP relay: Multipurpose Internet Mail Extensions, the format that lets one email carry HTML, plain text and attachments as separate parts.Learn more →
MTAalso: mail transfer agent, mail serverDeliverabilitySMTP relay: Mail transfer agent, the server software that passes email between servers. Emailit’s MTA signs, scores and delivers your mail and retries temporary failures.Learn more →
MTA-STSalso: SMTP MTA Strict Transport SecuritySending domains: A policy, published with a DNS record and an HTTPS file, that tells sending servers to use verified TLS when they deliver mail to your domain.Learn more →
MX recordalso: mail exchangerSending domains: A DNS record that names the servers that receive mail for a domain, each with a priority. Lower numbers are tried first.Learn more →
OAuth grantMCP serverREST API: The access you approve when an app, such as an MCP client, signs in to Emailit with OAuth: which workspaces it can use and whether it has the sending or full scope.Learn more →
Object IDalso: ID prefixREST API: An identifier with a type prefix, such as em_ for emails, dom_ for domains and key_ for API keys, so you can tell what an ID refers to.Learn more →
One-click DNS setupalso: Cloudflare DNS setupSending domains: Adding a domain’s DNS records to Cloudflare automatically with a scoped Cloudflare API token, instead of copying each record by hand.Learn more →
One-click unsubscribealso: RFC 8058, List-Unsubscribe-PostCampaignsAudiences: The RFC 8058 List-Unsubscribe-Post header, which lets a provider unsubscribe a recipient with a single request. Gmail and Yahoo require it for bulk mail, and Emailit adds it to campaigns.Learn more →
Open trackingalso: tracking pixel, open pixelOpen & click tracking: Detecting opens with a tiny invisible image in the email. When a mail client loads it, Emailit records a load.Learn more →
Owneralso: workspace ownerWorkspaces: The account that created a workspace. The owner is an Admin who can’t be removed and whose role can’t be changed, and receives operational emails such as webhook failure alerts.Learn more →
Partner codealso: affiliate codeReferrals & partners: A code given to approved partners. Clients who sign up with it get bonus monthly credits, and the partner earns a commission on their payments.Learn more →
Passkeyalso: WebAuthnAccount & security: A sign-in credential stored on your device or security key, unlocked with Touch ID, Face ID or a PIN, that you can use instead of a password.Learn more →
Paused domainalso: restricted domainSending domainsDeliverability: A sending domain Emailit has stopped sending from, usually because of a high bounce rate. New mail from it is rejected or held until the pause is lifted.Learn more →
Pay as you goalso: PAYG, free planBilling & credits: The plan with no subscription. It includes free monthly credits, and you buy more credits only when you need them.Learn more →
Payload filteralso: webhook filterWebhooks: Rules on a webhook that deliver only events whose data matches, for example only bounces for one domain. Available on Pro, Business and Custom.Learn more →
Pending reviewalso: pending verificationSending domains: A domain state on Pay as you go: a domain registered less than 30 days ago waits for manual approval from Emailit before it can send.Learn more →
Plugin (AI)also: Emailit pluginMCP server: A package that adds Emailit to an AI tool such as ChatGPT, Codex, Claude Code, Cursor or Grok: the MCP server connection plus skills and rules.Learn more →
Proalso: Pro planBilling & credits: A monthly or yearly subscription with 100,000 included credits per month, cheaper extra credits, and features such as advanced analytics, DMARC reports and webhook payload filters.Learn more →
Production accessalso: workspace verification, verified workspaceWorkspaces: Emailit’s approval that lifts the sandbox restrictions on a workspace. An Admin requests it under Workspace > Settings > Requests after verifying at least one sending domain.Learn more →
PTR recordalso: reverse DNS, rDNSSending domainsDeliverability: Reverse DNS: a record that maps an IP address back to a hostname. Receivers expect sending IPs to have one, and Emailit manages it for its own IPs.Learn more →
Purchased creditsalso: extra credits, top upBilling & credits: Credits you buy in whole-dollar amounts from $20 to $500. They never expire and are used once your included credits run out.Learn more →
Queryable analyticsalso: SQL analytics, QueryableAnalytics: The Analytics tab on Business and Custom where you build queries or write SQL against your own email data.Learn more →
RCPT TOalso: envelope recipientSMTP relay: The envelope recipient given in the SMTP conversation. Mail is delivered to this address, whatever the To and Cc headers say.Learn more →
Read-only mode (MCP)MCP server: An MCP server option (?read_only=true or X-MCP-Readonly) that hides every tool that creates, changes, deletes or sends, leaving only read tools.Learn more →
receivedEmail logsInbound email: Email status for inbound mail: Emailit accepted an incoming email on your inbound subdomain.Learn more →
Referral codealso: referral link, ref codeReferrals & partners: An 8-character code every account has. Friends who sign up with it get bonus monthly credits on their first workspace, and you earn credits when they qualify and buy credits.Learn more →
rejectedEmail logs: Email status: Emailit accepted the email but then refused to send it, for example because a sandbox workspace addressed someone who isn’t a member.Learn more →
Reputationalso: sender reputation, domain reputation, IP reputationDeliverability: A mailbox provider’s trust in your domain and sending IPs, built from your bounces, complaints, engagement and spam-trap hits.Learn more →
Request logalso: API & SMTP logs, LogsEmail logs: A record of an API v2 request or SMTP command made with one of your API keys, with its status code, duration and request and response bodies.Learn more →
RetryEmail APIEmail logs: Sending a copy of a bounced, failed, suppressed or held email as a new email with a new ID. A retry costs credits like any other send.Learn more →
Return pathalso: bounce domain, Return-Path, custom return pathSending domains: The bounce address Emailit uses as the envelope sender, on the emailit subdomain of your domain (for example emailit.acme.com). Its MX and SPF records let Emailit receive bounces and pass SPF for you.Learn more →
Role accountalso: role address, role-based addressEmail verification: An address for a team or function, such as info@, support@ or admin@, rather than a person. Emailit’s verification returns role for these addresses.Learn more →
RspamdDeliverability: The open-source spam filter Emailit uses to score outgoing mail before it’s sent.Learn more →
RUAalso: aggregate reportDMARC reports: Aggregate DMARC reports: daily XML summaries of DMARC results per sending IP, sent to the address in the rua tag of your DMARC record.Learn more →
RUFalso: forensic report, failure reportDMARC reports: Forensic DMARC reports: copies or summaries of individual messages that failed DMARC, sent to the address in the ruf tag. Few providers send them, and they can contain personal data.Learn more →
Runalso: automation runAutomations: One execution of an automation for a single trigger event. A run is running, completed, failed, skipped, canceled or paused.Learn more →
Safe (verification result)Email verification: The address passed every check and scored 70 or more, so it’s safe to send to.Learn more →
Sandboxalso: sandbox mode, unverified workspaceWorkspaces: The mode every new workspace starts in. Until production access is approved, you can send only to the account emails of workspace members, and campaigns are blocked.Learn more →
scheduledEmail logs: Email status: the email is waiting for its scheduled send time.Learn more →
Scheduled emailalso: scheduled sendingEmail API: An email sent with a future scheduled_at time. You can reschedule or cancel it until 3 minutes before it’s due.Learn more →
SDKalso: client librarySDKs & frameworks: An official client library that wraps the Emailit API for one language, such as @emailit/node for Node.js or emailit/emailit-php for PHP.Learn more →
Sending domainSending domains: A domain you own and verify with DNS records so Emailit can send mail from it with SPF, DKIM and a custom return path.Learn more →
Sending healthalso: health scoreDeliverability: A 0–100 score Emailit calculates every hour from your bounce rate among unique recipients. A falling score can lead to warnings, a paused domain or a suspended workspace.Learn more →
Sending limitalso: rate limit, daily limitLimits & retention: The number of emails a workspace can send per second and per day, shared by the API and SMTP. New workspaces start at 2 per second and 5,000 per day.Learn more →
Sending-only keyalso: sending scope, sending keyAPI keys: An API key with the sending scope. It can send, reschedule, cancel, retry and forward emails, but can’t read emails or manage other resources.Learn more →
Shared IP poolalso: shared IPDeliverability: A group of IP addresses that many senders use together. Reputation is pooled, which suits low or irregular volume better than a dedicated IP.Learn more →
Skill (AI)MCP server: Instructions an AI assistant loads on demand to do a task well, for example the emailit-domain-setup skill for publishing DNS records. Shipped in the Emailit plugin.Learn more →
SMTP AUTHalso: SMTP authenticationSMTP relay: The SMTP command a client uses to log in. Emailit supports the PLAIN and LOGIN methods, with the username emailit and an API key as the password.Learn more →
SMTP relayalso: SMTP serverSMTP relay: Emailit’s SMTP server at smtp.emailit.com. Apps send through it with the username emailit and an API key as the password.Learn more →
SMTP reply codealso: SMTP response code, SMTP error codeSMTP relayDeliverability: The three-digit status a mail server returns to each command: 2xx for success, 4xx for a temporary failure and 5xx for a permanent failure.Learn more →
Soft bouncealso: temporary failure, deferralDeliverability: A temporary delivery failure, such as a busy or rate-limiting server. Emailit marks the email attempted and retries it.Learn more →
Spam scorealso: Spam ChecksDeliverability: The score Emailit’s spam filter gives an outgoing message. Messages scoring 7 or more are held, and the matched rules appear under Spam Checks on the email.Learn more →
Spam trapalso: honeypotDeliverability: An address that never signed up for mail, used by blocklist operators and mailbox providers to catch senders with poor list hygiene.Learn more →
SPFalso: Sender Policy FrameworkSending domains: Sender Policy Framework, a DNS TXT record that lists the servers allowed to send mail for a domain. Receivers check it against the envelope sender (MAIL FROM) domain.Learn more →
STARTTLSalso: explicit TLSSMTP relay: An SMTP command that upgrades a plain connection to an encrypted one. Emailit offers it on ports 587, 2525, 2587 and 25.Learn more →
Stepalso: actionAutomations: One action in an automation, such as Send email, Wait, Condition or Add to audience.Learn more →
Step-up authorizationMCP server: When an AI client needs more access than you approved, for example the full scope, it shows the Emailit approval screen again instead of failing.Learn more →
Subscribe URLAudiences: A public endpoint unique to each audience that adds a subscriber when your site or form posts an email address to it.Learn more →
SubscriberAudiences: A contact’s membership in one audience, with its own subscribed or unsubscribed state. Deleting a subscriber keeps the contact.Learn more →
suppressedEmail logsSuppressions: Email status: the recipient is on your suppression list, so Emailit didn’t send the email.Learn more →
Suppressionalso: suppression list, blocklist entrySuppressions: An entry that stops Emailit from sending to an email address. Emailit adds suppressions for bounces and complaints automatically, and you can add your own.Learn more →
Suppression typeSuppressions: The category of a suppression: recipient, bounce, complaint or unsubscribe. Recipient suppressions block all sending, and campaigns also skip addresses with the other types.Learn more →
TemplateTemplates: Reusable email content with a subject, sender and body that you reference by alias or ID when you send.Learn more →
Template versionalso: published versionTemplates: One saved state of a template. Versions share an alias, and only one of them is published at a time.Learn more →
Templealso: template variablesTemplates: Emailit’s templating language for API and automation emails, with variables, default values and if/else blocks written in double curly braces.Learn more →
TLS-RPTalso: SMTP TLS ReportingSending domains: SMTP TLS Reporting, a DNS record that asks sending servers to report TLS failures when they deliver mail to your domain.Learn more →
Tool annotationsMCP server: MCP hints on every Emailit tool (read-only, destructive, idempotent, open-world) that let AI clients ask for confirmation before running write actions.Learn more →
ToolsetMCP server: A group of related MCP tools, such as emails, domains or campaigns. Load only some toolsets with ?toolsets= or the X-MCP-Toolsets header.Learn more →
Tracking domainalso: custom tracking domain, tracking subdomain, tracking CNAMEOpen & click trackingSending domains: A subdomain of your sending domain, go by default, that points to go.emailitmail.com with a CNAME record. Open and click tracking works only once this record is verified.Learn more →
Transactional emailEmail APISMTP relay: A message triggered by one person’s action or account event, such as a password reset or a receipt. Send it with the Email API or SMTP.Learn more →
TriggerAutomations: The event that starts an automation run, such as a contact joining an audience, a date anniversary or an email event like bounced.Learn more →
TTLalso: time to liveSending domains: Time to live: how many seconds resolvers may cache a DNS record. A lower TTL makes your next change take effect sooner.Learn more →
Two-factor authenticationalso: 2FA, TOTP, MFAAccount & security: A second sign-in step after your password. Emailit asks for a code from your authenticator app, or emails you a 6-digit code when no app is set up.Learn more →
TXT recordSending domains: A DNS record that holds text. SPF, DKIM and DMARC are all published as TXT records.Learn more →
Unknown (verification result)Email verification: The checks couldn’t confirm the address, or it scored below 70. Send to it with care.Learn more →
Unsubscribe linkalso: unsubscribe_urlCampaignsAudiences: The {{unsubscribe_url}} merge tag in a campaign. It opens a hosted page where the recipient unsubscribes from all of the contact’s audiences.Learn more →
Verification scorealso: riskEmail verification: A 0–100 rating of how likely an address is to accept mail, returned with a risk level of low, medium or high.Learn more →
Warm-upalso: IP warm-up, domain warm-upDeliverability: Raising sending volume gradually on a new domain or IP so mailbox providers can build trust in it before you send at full volume.Learn more →
Webhookalso: webhook endpointWebhooks: A URL on your server that Emailit sends events to as they happen. Requests are signed, and Emailit retries them when your endpoint fails.Learn more →
Webhook requestWebhooks: One POST to your webhook URL carrying a JSON array of up to 100 events. Failed requests are retried for about three days.Learn more →
Webhook secretalso: signing secretWebhooks: The whsec_ key that signs webhook requests. Compute an HMAC-SHA256 of the timestamp and raw body with it and compare the result with the X-Emailit-Signature header.Learn more →
WorkspaceWorkspaces: A container for everything you send: domains, API keys, emails, contacts, templates, members and billing. An account can belong to several workspaces.Learn more →
Workspace requestalso: requestWorkspaces: A conversation with the Emailit team about workspace verification, a Custom plan or a dedicated IP, opened from Workspace > Settings > Requests.Learn more →

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