SMTP_vrfy

 

Code: p179

Severity: Notice

 

Description: Determine whether there is a user by the VRFY command.

Impact: All SMTP servers which support the VRFY command.

Corrective: If ther is a great deal of the events in a short period of time, need to check the source address of these orders, especially for users of the postmaster and decode, VRFY command can be removed, without prejudice to send and receive mail.