Greetings.  I am new to this list, so please excuse me if this issue has 
already been addressed.  I have setup a Horde/IMP webmail server at 
our university, and it uses c-client 2001a compiled into PHP 4.1.2 and 
Apache 1.3.23, talking to our IMAP server (Mercury 3.31).  Everything 
works fine, except when a user receives a message containing nothing 
before the @ sign in the "To:" field.  When this happens, the user is 
unable to login to the webmail system.  Further testing shows problems 
also occur when connecting to our IMAP server using Pine 4.33-as soon 
as the message is selected, Pine exits with the following message:

Problem detected: "Received abort signal".
Pine Exiting.
Aborted

I set up a test account and wrote to the authors of IMP, and they got 
back to me with the following:

--------

OK, I tested a bit and did also experience your problems. I traced it back
and found that the c-client is segfaulting in a call to
rfc822_write_address(). I also found the imap_fetch_overview() call in our
mailbox.php that lead to this crash, but there's no way to work around on
our side. The only thing you can try is to upgrade to a newer c-client
version and see if this is fixed already. If not you may want to report a
bug to the c-client guys.

--------

I don't believe the problem is with our IMAP server, because other IMAP 
clients work fine with these types of messages (they are usually SPAM, 
but sometimes legitimate).

Can somebody verify if this is a problem with c-client, or is it something 
else on my system?

Thanks.


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