• 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.

port 25

  1. P

    Resolved Port 25 blocked despite firewalls explicitly open

    Hi, Weird problem. SMTP isn't working on Port 25 despite the firewall explicitly opening it and firewall as ISP also open. Message in Postfix is 4.4.1 deferred (connect to mail.targetdomain[IP address]:25: Connection timed out) We've explicitly opened port 25 everywhere. Same result whether...
  2. Z

    Issue Blocked ports 25-587

    I have a Plesk panel and recently migrated to a new data center (DC) from Contabo. I imported the websites using the import tool, but there are some issues, such as not being able to send or receive emails. I contacted the DC, and they enabled all ports as “any.” Within Plesk Firewall, I...
  3. P

    Resolved Force Plesk to use port 25 alternative (Digital Ocean refuses to open 25)

    There are numerous threads on this topic. I haven't found a way to force Plesk to use port 587. In the mail server settings, when I enable port 587, upon sending tests with Roundcube, the maillog indicates port 25 is still being used. Mar 21 18:25:41 my-server postfix/smtp[99165]: connect to...
  4. S

    Question Block 25 Port allow 587 port instead on Plesk

    Hello guys, I want the SMTP server to use the 587 port instead 25. So for security reason we want to use secure connection for outgoing emails. I already read this topic, as well. https://talk.plesk.com/threads/change-default-smtp-port-in-plesk.367784/ On my main.cf file there is no such as...
  5. Cordal

    Resolved Block port 25 outbound only

    Estoy creando una regla en el firewall de plesk que bloquea el puerto 25 solo para salida, pero falta algo ya que puedo continuar enviando correo usando ese puerto, adjunto una captura de pantalla.
  6. E

    Resolved How can I block port 25 on some (not all!) domains?

    How can I block port 25 on some (not all!) domains?
  7. M

    Question Port 25 is blocked despite an explicit firewall rule

    Hello, I'm using the msmtp relay addon/plugin for my php scripts to send mails (eg contact forms etc.) Postfix and sendmail are deactivated. I set up the external relay gateway correctly. The relay gateway sends through port 25. I tried my scripts - no mail is going out. I checked the ports...
  8. G

    Resolved Can't send mail - can't telnet to any destination on port 25

    Hello, after quite a lot of research I still haven't found a solution to this issue and I hope I can find one. I have a server that runs Plesk Onyx Version 17.0.17 Update #35, running on a 1and1 virtual cloud server. I noticed that since I started configuring the server I wasn't able to send any...
  9. C

    Resolved SMTP port 25 not working?

    I have a vps running ubuntu 16.04 and Plesk Onyx 17.0.17. When I set up email accounts through Plesk (which is using postfix and dovecot) I have trouble accessing the account through the MS Outlook 2007 client. The only way I've been able to make the outgoing mail work is by connecting through...
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