>After months of flawless activity I have started to get the following
>errors from qpopper (v4.01) when users try to download their mail.
>
>Aug 13 16:49:05 penguin popper[1098]: user at web12303.mail.yahoo.com
>(216.136.173.101): -ERR POP EOF or I/O Error
>
>(I changed the user name to 'user' in the error message above)
>
I had a similar problem, although it increased from a few users to many over
a period of 3-4 days. The problem was a corrupt mail spool. I immediately
replaced qpopper with ipop3d and everything starting working fine (after the
mail spools were manually corrected - delete down to the From line) although
the performance with ipop3d was much poorer.
>problem. Again, this just started 1.5-2 weeks ago, prior to then I've
>been running qpopper with no problems at all since day 1. The same server
>hosts all my other services (http, ftp, telnet, ssh) and I'm having no
>problems with those services. This server is a very low traffic
>server. Is there anything else I can do to try to fix this problem?
>
I imagine the problem was caused by inconsistent file locking and writing,
although I didn't understand enough or do enough testing at the time to
verify. Tests with a dozen or so users over a period of about a month
indicated no problems beforehand. I'd like to get back to using qpopper,
and tests again have been impressive, but I am still wary as the exact
problem is not understood...
- Jeff
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