Send email over SMTP API ___ If you already use SMTP-compatible software, such as marketing platforms, CRMs, or internal apps, you can integrate with Infobip’s **SMTP API**. This method provides a straightforward way to connect without modifying your existing email logic. ___ ## Connection details - **SMTP host**: `smtp.infobip.com` - **Port**: 587 (TLS) or 465 (SSL) - **Authentication**: Your Infobip username and password (or API key if configured) #### Example SMTP session `telnet smtp.infobip.com 587 EHLO example.com AUTH LOGIN MAIL FROM: RCPT TO: DATA Subject: Welcome to Infobip From: sender@example.com To: recipient@example.com Content-Type: text/html

Hello, welcome to our service!

. QUIT` Read more about [sending emails over SMTP](https://www.infobip.com/docs/email/email-over-smtp). ___