Article ID: 120244, created on Feb 20, 2014, last review on May 11, 2014

  • Applies to:
  • Plesk 11.5 for Linux


  1. Messages with big attached files are not sent.

  2. When I try to attach big file, I got error:

    Your session has expired. Please login again.


The following PHP values should be increased:



Check current PHP settings:

# grep -E "upload_max_filesize|post_max_size" /etc/psa-webmail/horde/horde/php.ini
upload_max_filesize = 64M
post_max_size = 128M

Check also horde 'attach_size_limit' value, it should be set to 0 (umnlimited):

# grep attach_size_limit /etc/psa-webmail/horde/imp/conf.php
$conf['compose']['attach_size_limit'] = 0;

Set higher values if it is required.

Search Words

There was a problem with the file upload

Your session has expired. Please login again.

horde attach file

horde session expired

horde session timeout

Message size excedes the server limit

a914db3fdc7a53ddcfd1b2db8f5a1b9c 56797cefb1efc9130f7c48a7d1db0f0c 01bc4c8cf5b7f01f815a7ada004154a2 29d1e90fd304f01e6420fbe60f66f838 0a53c5a9ca65a74d37ef5c5eaeb55d7f

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