I have:

1. A mail and imap server installed on one machine with SL 6.5.

2. A secure web server (https) running Squirrelmail on a different machine, originally with SL 5.9, and recently updated to SL 6.5.

Users use Squirrelmail on the secure webserver to access their email on the mail/imap server. 

Everything was fine until the update. I am using the same configuration for Squirrelmail I had before, but after the update Squirrelmail behaves very strangely - the most noticeable thing is that users are able to read their emails, but the programs hangs after sending email (the email gets sent but the browser remains frozen apparently waiting for a response from the secure server, the only solution is to close the browser and login to Squirrelmail again).  I am using Firefox ESR 24.7.0 in my tests, but the problem seems to be browser independent.

Nothing has changed on the mail/imap server, and users using other means to access their emails are unaffected, the problem seems to be confined to the version of Squirrelmail that got installed with SL 6.5.  Except for the SL version update everything is also the same on the secure server - firewall settings, certificates, etc.


My questions:

1. Any suggestions about solutions or where to look for a solution?

2. Any good alternatives to Squirrelmail? - Roundcube, Horde...?


Thank you in advance!


Miguel A. Lerma

--
  Miguel A. Lerma
  Math Comp Sys Admin
  Department of Mathematics  <[log in to unmask]>
  Northwestern University    <http://www.math.northwestern.edu/~mlerma/>
  2033 Sheridan Road         847-491-8020 (w)
  Evanston, IL 60208-2730    847-491-8906 (f)