• The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

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  1. R

    How to install Pear

    You can view a list of extensions with: pear list If HTTP_Request2 is not already installed then do: yum install php-pear-HTTP-Request2 Or if this package is not available then you can install outside yum (not recommended) with: pear install HTTP-Request2 As abdi, mentioned Postfix should...
  2. R

    Plesk 12.x for high traffic server?

    Looking back at your original question it seem like you were looking for practical advice. In /etc/httpd/conf/httpd.conf, adjust apache MaxClients according the the amount of RAM on the server. Here's an old post on the topic: http://blogs.reliablepenguin.com/2009/03/30/apache_maxclients...
  3. R

    How to install Pear

    On RedHat/CentOS just do: yum install php-pear
  4. R

    Outlook 2007 authentication issue

    good suggestion faris, I think you're correct that setting up an instance of smtp_psa on an alternate port without relay lock would provide a workaround. If I understand correctly, relaylock passes and environment variable to qmail_smtpd which signals if a user has been externally...
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    Outlook 2007 authentication issue

    Correct I agree with [email protected]'s post. The problem only happens if the user has been previously authenticated via "POP before SMTP" in which case qmail does not advertise SMTP AUTH. Some email clients don't have a problem (such as Thunderbird) which don't seem to pay attention to the...
  6. R

    Outlook 2007 authentication issue

    This problem is caused by Qmail on recent versions of plesk failing to include an AUTH statement in response to EHLO commands. From older servers: > telnet rs04.reliablepenguin.com 25 Trying 72.32.68.171... Connected to rs04.reliablepenguin.com. Escape character is '^]'. 220...
  7. R

    SMTP authentication not working with Microsoft Entourage

    This problem is caused by Qmail on recent versions of plesk failing to include an AUTH statement in response to EHLO commands. From older servers: > telnet rs04.reliablepenguin.com 25 Trying 72.32.68.171... Connected to rs04.reliablepenguin.com. Escape character is '^]'. 220...
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