What is an SMTP handshake?
The SMTP handshake is the initial exchange between two mail servers before a message is transmitted. It includes greeting, identification, and permission checks.
It is similar to two captains signaling and confirming each other's identity before transferring cargo at sea.
Need personalized help?
Get a personalized explanation for your specific email setup. Open an AI assistant with your question pre-loaded — just add your details and send.
Was this answer helpful?
Thanks for your feedback!