Diana Calder wrote:
> I have an odd problem with one user account. When trying to login to
> Squirrelmail, the login will hang for several seconds then result in:
>
> ERROR: Connection dropped by IMAP server.
>
> [ ... snip ... ]
>
> A possible symptom or secondary issue is that the problem account is
> using 78% of its 1Gb quota ... He has about 700
> messages in his Inbox ...
That might be the issue.
I've seen SquirrelMail serve up blank pages, apparently due to timeout
issues, when trying to open mail folders that contained very large numbers
of messages. I'd give serious consideration to the possibility that
something like that is happening here.
You can test this idea by manually moving most of the user's messages to
another directory temporarily (using the shell and your administrator
superpowers), then having the user try to login. If they're able to log in
successfully, then that was probably your issue. If they're still stuck,
well, at least it was an easy test.
You could also try increasing the:
max_execution_time
in your 'php.ini' file to see if that helps. That might resolve timeout
issues (if this is a timeout issue) associated with execution of
SquirrelMail's PHP scripts. If it's a timeout issue with the IMAP server,
there may be an equivalent setting that you could tweak somewhere in the
configuration files for your server.
Another possibility is that it's not the sheer number of messages that's
causing the issue, but one particular message which is either overlarge or
malformed. In that case, moving some messages aside temporarily, then
putting them back into the mailbox in small batches may help isolate the
problem.
Angus
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