Simple Mail Transfer Protocol (SMTP)

What is the meaning of Simple Mail Transfer Protocol (SMTP)?

SMTP is the most preferred protocol for sending email messages between email servers. The protocol follows the rules on the interaction between a program receiving email and a program sending email, including RFC 5321 and RFC 821.

Discover more

• Commercial Email
• Mail Bombing
• Segmentation
• Email Client
• Warm-up
• Click
• Email checker, email validator, or email verifier
• Re-Engagement Campaign