The Sinch Mailgun team

Why do we need SMTP commands and what do they do? Well, we use SMTP (Simple Mail Transfer Protocol) commands to communicate with email servers. These commands are...

Both transactional and marketing email messages can rely on sending massive amounts of email all at once. But while bulk is better when buying toilet paper, that’s not always the...

SMTP, though a pillar of email delivery, often gets lost in the jumble of tech terms and acronyms. But if you're ready to send impactful emails, this is one of those acronyms that...

It feels like a slap in the face. Or being dumped with the “it’s not you; it’s me” line. When an email subscriber marks one of your emails as spam, it feels like a betrayal. We were doing...

It's a common question that we receive here at Sinch Mailgun about SMTP port numbers. To ensure connectivity to our Simple Mail Transfer Protocol (SMTP) endpoint, Mailgun...