On 8 Dec 2005 at 14:52, KMF-MIS wrote: > At 10:30 PM -0700 12/2/2005, Ben Parker wrote: > >On Thu, 1 Dec 2005 16:29:24 -0500, KMF-MIS <[EMAIL PROTECTED]> wrote: > > > >>It might also help (at least the subscribers) if the list bounce processor > >>was a little smarter. The reason currently given in the e-mail for > >>unsubbing a subscriber when spam cop is in play is incorrect, if the bounce > >>processor looked at the enhanced status code (RFC 1893) in the bounce > >>message and unsubbed 5.1.1 but not 5.7.1 this would allow time for the > >>least to get off spam cop or for the subscriber to white list the > >>particular mail server being listed. > > > >This won't help. Looking at the mail server logs shows that most of the > >affected users are getting auto-deleted from the list because the receiving > >site returns a 550 (no such user) error code during the SMTP transaction/ > >delivery attempt. SMTP error codes are intended to be 'definitive' and > >LISTSERV does not attempt to 'second-guess' them. > > RFC 821 seems to indicate that a 550 doesn't mean "no such user", it means > > " 550 Requested action not taken: mailbox unavailable > [E.g., mailbox not found, no access]"
Not to quibble, but the current RFC in force is 2821, and it says: > ... If the recipient > is known not to be a deliverable address, the SMTP server returns a 550 > reply, typically with a string such as "no such user - " and the > mailbox name (other circumstances and reply codes are possible). The current spec for 550 is: > 550 Requested action not taken: mailbox unavailable > (e.g., mailbox not found, no access, or command rejected > for policy reasons) /Bernie\ -- Bernie Cosell Fantasy Farm Fibers mailto:[EMAIL PROTECTED] Pearisburg, VA --> Too many people, too few sheep <-- -- ---------------------------------------- To unsubscribe, mailto: [EMAIL PROTECTED] Is your picture included in the Official Win-Home List Members Profiles Page? http://www.besteffort.com/winhome/Profiles.html If not, write to: [EMAIL PROTECTED]
