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From: haynes@felix.ucsc.edu (99700000)
Newsgroups: comp.mail.sendmail
Subject: Is sendmail 5.65 compatible with older binmail, ucbmail?
Message-ID: <12961@darkstar.ucsc.edu>
Date: 1 Mar 91 03:11:18 GMT
Sender: usenet@darkstar.ucsc.edu
Organization: University of California, Santa Cruz Open Access Computing
Lines: 15


We upgraded to sendmail 5.65 (non IDA) about last November.  Since then
I have seen a problem - maybe it was there earlier and I never noticed
it much, but it's definitely there now.  From time to time I will see
mail in the queue that is waiting for delivery to a local user, and that
local user will have a mail process.  Presumably sendmail and binmail
are waiting for the user to unlock the mail file so they can complete
delivery.  But these ucbmail processes may be a day or two old; and when
I kill the oldest one the whole set of hung mails and sendmails
collapses like a house of cards.  So I wonder if there is something
incompatible between the older ucbmail and the latest sendmail that
leads to these apparent deadlocks sometimes.

This is on VAXen, some running Original(TM) 4.3 BSD and some running
Mt Xinu More/BSD.