On Fri, 9 Dec 1994 22:54:37 EST A. Ralph Papakhian said:
>It is appropriate for LISTSERV to delete user addresses when it receives
>error messages from a mailer indicating that the user is unknown.
 
   Some Unix  sites tend for  forget their users  for a brief  period of
time  on a  regular  basis.   That's unfortunate,  but  then  it is  NOT
appropriate to just auto-delete these people.
 
   Obviously, the 'x-number  of days in a  row' idea is the  only way to
even begin to tackle the problem, and even it will have its problems.
 
>It is not appropriate for a mailer to send "user unknown" messages when
>that is not the case.  Shouldn't the agency causing the problem be
>responsible for fixing it, especially after it knows about it?
 
   Could be a  good idea - would keep several  people employed for years
:-).
 
   But  seriously, the  problem is  not always  the mailer,  as I  noted
above.  Sometimes the mailer is reporting the truth as the system itself
forgets userids - even forgetting its SMTP!
 
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