550: Mailing list `mailinglist` Nonexistent 550 MailBox `mailbox` Nonexistent

Severity

Warning.

Explanation

The indicated mailing list or mailbox does not exist on the local host.

System action

SMTP continues.

System programmer response

Specify a valid mailing address that exists on the local host.

Module

SMTPCMDS

Destination

DoVrfyExpn