Please log in to access Return Path product content. If you are a SFMC customer, please log in to your SFMC account to access additional Return Path Help Center content. Everest, BriteVerify and 250ok customers do not need to log in to access Help Center content.
What is a Simple Mail Transfer Protocol (SMTP) gateway?
Carolyn Clancy
A Simple Mail Transfer Protocol (SMTP) gateway (aka gateway) connects two systems involved with the transferring of email from one system to another system.
