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From: johnsson@decwrl.dec.com (Richard Johnsson)
Newsgroups: comp.mail.misc
Subject: Re: mailq output
Message-ID: <111@bacchus.DEC.COM>
Date: Tue, 3-Nov-87 19:01:24 EST
Article-I.D.: bacchus.111
Posted: Tue Nov  3 19:01:24 1987
Date-Received: Sat, 7-Nov-87 06:13:36 EST
References: <619@hubcap.UUCP>
Reply-To: johnsson@decwrl.dec.com (Richard Johnsson)
Organization: DEC Western Software Lab, Palo Alto, CA
Lines: 7
Keywords: what does this mean?

"Bad file number" means that sendmail blew it and overwrote errno (which
contained the reason the mail failed on the last attempt) with EBADF before
recording the error in the envelope of the message.

EBADF is a common error in the several utility functions sendmail calls
while it is logging a message delivery failure. There's nothing to be done.
On the next try you may get lucky and get a better message (or even luckier
the message may get delivered :-).