• 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!
  • We are looking for U.S.-based freelancer or agency working with SEO or WordPress for a quick 30-min interviews to gather feedback on XOVI, a successful German SEO tool we’re looking to launch in the U.S.
    If you qualify and participate, you’ll receive a $30 Amazon gift card as a thank-you. Please apply here. Thanks for helping shape a better SEO product for agencies!
  • 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.

helo

  1. W

    Question Find source of problem sending e-mail with different HELO value

    Hello everyone. Since a week ago we got into the XBL and CSS lists of Spamhaus.org, due to a problem with a mysterious e-mail sending whose HELO value is "outlook.com". This is obviously impossible because on this server we have HELO well configured with the server name, more than 400 email...
  2. C

    Issue smpt server problems ssl certifcate from hostname not domain

    I am having a problem with smtp on domains in use on a server I do not want to use smpt server as server.hostname.tld, but want to use is for each different domain as differentdomain1.tdl and differentdomain2.tdl etc etc however in plesk 17.5 it means that differentdomain1.tld seeks the...
  3. Y

    Resolved Is a manual change of the Postfix SMTP banner persistent?

    Hi, I'm operating Plesk Onyx behind a NAT firewall and have assigned a public IP address to the internal IP address as outlined in the documentation. But I do not want to change the hostname of the server to the PTR of the public IP address as the FQDN of the machine should correspond to its...
  4. J

    Match HELO with the rDNS

    Hello, I have a plesk (ver12.5, CentOS 7) server and in it, there are multiple domains. These domains have been distributed amongst 2 different IPs. (4 domains on IP1 and 3 domains on IP2). I want to match the SMTP HELO with rDNS because it helps with the email deliverability. I know there is...
  5. A

    Resolved Qmail - fixing bad HELO/EHLO address

    Hello, I am currently facing an issue with Qmail. My email server has been listed by CBL due to the fact that sent emails show an invalid HELO greetings. According to the [email protected] rejection the HELO for my IP address has a valid syntax. Nevertheless, when I check the full header of...
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