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Old 01-06-2007, 08:49 PM   #1
dombrowsky
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courier-imap server suddenly not authenticating


This is what I hate about this operating system. Change something, and it doesn't work. Change it back to how it used to work.... and it STILL doesn't fscking work.

I tried to change the listening address for courier-imapd. I edited /etc/courier/imapd. It didn't work for some reason, so I changed it back.

Now, suddenly, I can't authenticate. No reason. No error message. Just no service. THANKS A LOT IAMP@!!!?!??!

Jan 6 21:42:49 raskolnikov imapd: LOGIN FAILED, user=davek, ip=[::ffff:192.168.1.4]

that's it.

Anyone else know where THE HELL else to look? It worked with the EXACT same configuration 20 minutes ago, using regular linux authentication (PAM, I think is the term).

-dave
 
Old 01-06-2007, 09:04 PM   #2
dombrowsky
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well, I found how to turn on debugging for courier-authdaemon in the config file. Here's what it now says for no reason:

Jan 6 21:59:39 raskolnikov authdaemond: authpam: trying this module
Jan 6 21:59:39 raskolnikov authdaemond: authpam: username 'davek@6thstreetradio.org' not found in password file
Jan 6 21:59:39 raskolnikov authdaemond: authpam: REJECT - try next module
Jan 6 21:59:39 raskolnikov authdaemond: FAIL, all modules rejected

???????????????????????????????????????????????????????????????????????????????????????????????????? ??????/

still have no idea what its doing or whats going wrong
 
Old 01-06-2007, 09:46 PM   #3
billymayday
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My guess is that it's trying to authenticate davek@6thstreetradio.org whereas before it was authenticating the user davek. Are you sure nothing else was changed that could have caused this? (or would you expect to find a user davek@6thstreetradio.org?)
 
Old 01-07-2007, 07:36 AM   #4
dombrowsky
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lost another million hairs over this one. The annoying thing is it was my fault to begin with.

There's a line in /etc/courier/imapd:

#DEFDOMAIN="@6thstreetradio.org"

I had changed this to 6thstreetradio.org from the default, and uncommented it. I didn't really read the comments around it explaining what it was. I figured "default domain, that's my domain!" But no. Apparently, this part is appended to the username when users try to log in using imap.

Add to that the fact that I didn't restart the server when I made the change. Therefore, when I _did_ restart the server, that bug crept in and wasn't found for many many hours. Classic.

The moral of the story is don't touch DEFDOMAIN in /etc/courier/imapd unless you have a complex setup where you're serving mail for multiple domains.
 
Old 01-07-2007, 11:08 AM   #5
billymayday
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Well, hopefully my comment helped. Another set of eyes and all that
 
  


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