• Our team is looking to connect with folks who use email services provided by Plesk, or a premium service. If you'd like to be part of the discovery process and share your experiences, we invite you to complete this short screening survey. If your responses match the persona we are looking for, you'll receive a link to schedule a call at your convenience. We look forward to hearing from you!
  • The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Search results

  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...
  5. R

    Outlook 2007 authentication issue

    Correct I agree with ncc@sgcom.com.s'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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