What is GAPPSSMTP and How to Set Up a Custom DKIM Key For Your Emails?

What is GAPPSSMTP and How to Set Up a Custom DKIM Key For Your Emails?

GAPPSSMTP stands for Google Apps Simple Mail Transfer Protocol, which is responsible for exchanging email messages securely and swiftly. This is a part of Google Workspace’s suite of tools. Understanding GAPPSSMTP Every outgoing message that is sent through the Gmail SMTP server is signed with a default DKIM key to prevent email tampering and verify…