What is revert mail

Revert mail, also known as a "revert" or "bounce-back" email, is an automated email response sent by a mail server or email service provider when an email message cannot be delivered to its intended recipient. This can happen for various reasons, such as:

  1. Invalid email address: The recipient's email address is not valid or does not exist.
  2. Email account is full: The recipient's email account has exceeded its storage limit, and new emails cannot be delivered.
  3. Email account is inactive: The recipient's email account is inactive or has been deleted.
  4. Email server issues: The recipient's email server is down or experiencing technical difficulties.
  5. Spam or virus filtering: The email message is flagged as spam or contains a virus, and the recipient's email server is blocking it.

When a mail server or email service provider detects that an email cannot be delivered, it sends a revert mail to the sender's email address. This email typically includes information about the reason why the email could not be delivered, such as:

Revert mail is an important feature in email systems, as it helps to:

  1. Notify senders: Inform senders that their email message could not be delivered, so they can take corrective action.
  2. Prevent email loops: Prevent email messages from being sent back and forth indefinitely, which can cause email congestion and slow down email delivery.
  3. Improve email deliverability: Help improve email deliverability by identifying and resolving issues that prevent emails from being delivered.

Revert mail is often used in conjunction with other email delivery mechanisms, such as email forwarding and auto-responders, to ensure that email messages are delivered efficiently and effectively.