[techtalk] strange mail behavior

[JDF]

I have had the same problem with redhat 6.1..
I fixed it by adding the host(s) in /etc/mail/relay-domains, not sure if
it exists by default.. but hopefully that will fix your problems.


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|gh0ul at dx.linuxfreak.org    |
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On Sun, 20 Feb 2000, Samantha Atkins wrote:

> I am experiencing something peculiar with sendmail.  First my set up is
> that I have two other domains all sharing the same IP address.  I would
> like mail to x at domain1 and x at domain2 to simply go to x at localhost.  I
> found the sendmail.cw file as a logical place to express that my machine
> has several domains on it.  So I added them in there, went out to a
> remote shell account, telnet'ed into smtp and tried it out.  Sure
> enough, the addresses at domain1 and domain2 appear to work fine.  
> 
> Everything seemed happy for some time.  Then about a week ago my machine
> crashed one night due to a local power glitch.  When rebooted I started
> getting 550 errors of relaying denied.  Very strange.  I tried reworking
> my files.  At some point I got it into my head that I could use
> something like /etc/mail/virtusertable to do what I was trying to do. 
> So I tried that.  Seemed to more or less work.
> 
> But I noticed something strange.  Some of my mail from x at domain1 and so
> on didn't seem to ever arrive at the mailing list it was sent to.  Nor
> did I get a message it was rejected.  I also noticed that some of the
> mail from various lists was simply never arriving.  It was as if
> sendmail had put some incoming and outgoing stuff into some kind of
> circular file.
> 
> Also, I noticed that some of the dates for sendmail files were the
> original ones from Redhat 6 even on files I am pretty darn sure I
> changed.  I began to wonder if someone wasn't attacking my machine and
> playing with sendmail for some reason, perhaps to open it fully to
> relaying, and attempting to cover their tracks. 
> 
> So today I tossed out the virtusertable changes and reinstalled all the
> sendmail stuff keeping my sendmail.cw.  Again, testing from outside
> seems to work just fine.
> 
> Anyone have any idea what the heck might be going on or something else I
> might try?
> 
> Also, I am using Netscape 4.7 Communicator for email.  Does anyone know
> if it has a habit of sometimes losing mail?  I tried using kmail but it
> is pretty primitive (at least before KDE2.0) and has some strange
> behavior of its own.
> 
> - samantha
> 
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