Mail off MTA option

Mailing list and group MTA options:  (string)
The  MTA option specifies the comment string, including the surrounding parentheses, that  disables mail delivery for list addresses specified  in the  alias file or alias database, or set via an   setting in Unified Configuration. The default value for this string is.

See also:
 * Special address formats for list members
 * Mailing list and group MTA options
 * Alias options
 * Alias file format
 * Alias database
 * Aliases in Unified Configuration