https://emailit.com/docs/changelog/smtp/Emailit SMTP relay changelog: new features, improvements and fixes.enhttps://emailit.com/docs/changelog/2026-09-29-reply-to-matching-from/https://emailit.com/docs/changelog/2026-09-29-reply-to-matching-from/Tue, 29 Sep 2026 00:00:00 GMTEmailit now drops the Reply-To header when it contains the same addresses as From, because spam filters penalize the duplicate.Email APISMTP relayDeliverabilityhttps://emailit.com/docs/changelog/2026-09-29-sending-domain-fixes/https://emailit.com/docs/changelog/2026-09-29-sending-domain-fixes/Tue, 29 Sep 2026 00:00:00 GMTFrom addresses match sending domains regardless of letter case, and custom tracking and inbound subdomains are saved when you update a domain.Sending domainsEmail APISMTP relayOpen & click trackingInbound emailhttps://emailit.com/docs/changelog/2026-09-27-api-and-smtp-logs/https://emailit.com/docs/changelog/2026-09-27-api-and-smtp-logs/Sun, 27 Sep 2026 00:00:00 GMTA new Logs page lists the API v2 requests and SMTP commands made with your API keys, with status codes, timing and request and response bodies.Email logsREST APISMTP relayhttps://emailit.com/docs/changelog/2026-09-27-sandbox-recipients/https://emailit.com/docs/changelog/2026-09-27-sandbox-recipients/Sun, 27 Sep 2026 00:00:00 GMTUntil production access is approved, a workspace can send only to its members' account emails on every sending path, and campaigns are blocked.WorkspacesEmail APISMTP relayCampaignshttps://emailit.com/docs/changelog/2026-09-27-smtp-email-id-reply/https://emailit.com/docs/changelog/2026-09-27-smtp-email-id-reply/Sun, 27 Sep 2026 00:00:00 GMTAfter DATA, the SMTP relay replies 250 2.0.0 OK: queued as em_..., so you can match SMTP sends to emails in the API and webhooks.SMTP relayhttps://emailit.com/docs/changelog/2025-10-10-rate-limits/https://emailit.com/docs/changelog/2025-10-10-rate-limits/Fri, 10 Oct 2025 00:00:00 GMTSending limits change from an hourly quota to a per-second rate and a daily limit, shared by the API and SMTP. The default rate is 2 emails per second.Limits & retentionEmail APISMTP relay