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Knowledge Base

How to change the maximum attachment size for webmail on the Windows Plesk server?

 
gohordehorde webmailmailphp

Question

How to change the maximum attachment size for webmail on the Windows Plesk server?

Answer

Horde Webmail

  1. Connect to the server via RDP.
  2. Edit the%plesk_dir%webmailhordeconfphp.ini  file and change the PHP settings for Horde.
    For example:

    C:> type %plesk_dir%webmailhordeconfphp.ini | findstr max
    ...
    upload_max_filesize = 64M
    post_max_size = 128M
    ...

  3. Modify also horde attach_size_limit value at %plesk_dir%Webmailhordehordeimpconfigconf.php, it should be set to 0 (unlimited):

    C:> type %plesk_dir%Webmailhordehordeimpconfigconf.php | findstr attach_size_limit
    $conf['compose']['attach_size_limit'] = 0;

    Note: Set higher values if it is required.

MailEnable Webmail

  1. Connect to the server via RDP.
  2. Go to Windows > Mailenable > Servers > localhost >Services and Connectors > right-click on SMTP > properties > Outbound tab
  3. Under Limit outbound size, specify a higher value in Maximum field;
    mceclip2.png
  4. Click OK;
  5. Stop and start the SMTP service to apply the new change at Windows > Mailenable > Servers > localhost > Services and Connectors > right-click on SMTP .
    mceclip1.png

    Note: If the issue persists, apply the solution described in MailEnable KB

    Note: Set higher values if it is required.

 

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