The interactive guide to B2B outreach›The vocabulary of outreach›SMTP

What is SMTP, and what is it for?

SMTP is the protocol used to send an email, as opposed to IMAP, which is used to read it. When an outreach tool connects to your mailbox over SMTP, it gets the right to send on your behalf, without going through your email interface. That is what makes automated sending possible.

In the guide

For the practical side, the how-to page goes further than the definition.

Connecting a mailbox over SMTP/IMAPThis is the universal method: it works for every host that is neither Google nor Microsoft. ION→