• 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.

postfix

  1. B

    Issue Postfix: How to configure RBL return codes

    When using modern blacklists for SMTP servers, the RBL return codes can differ and depending on the return code, different actions shall be taken (in particular not all mails should be rejected in case a wrong return code is presented). Issue A: Different return codes For instance, SPAMHaus...
  2. I

    Issue Mail delivery deferred (4.4.2 delivery temporarily suspended)

    Mail stopped being delivered on our Plesk server in the early hours of this morning with: Looking through KB articles, I have... Restarted Dovecot and Postfix milter and SMTP via Tools & Settings > Services Management and requeued all mail ... failed Restarting amavisd and postfix and...
  3. S

    Question Smarthost mail relay to be more granular

    I very much welcome Smarthost feature in Server-wide mail settings. However, my VPS has very high mail delivery rate >99% but small number of domains use one specific black lister which operates not on one specific IP address but rather on the whole cloud provider that I use. So for me doesn't...
  4. EnriqueR

    Question Incoming mail is stored in Junk folder

    I have 2 emails on my Plesk server from 2 different domains. When I send a message from user@domain1.com to user@domain2.com, the message is stored in the Junk folder. I have tried sending messages from another email account type user2@domain1.com to the same recipient user@domain2.com, and the...
  5. Polli

    Issue Getting DANE working

    Hi I am having difficulties using DANE on my Plesk server. For example, I see the following entrys in my logs when sending mails: Untrusted TLS connection established to gmail-smtp-in.l.google.com[172.253.63.26]:25: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519...
  6. EnriqueR

    Issue Postfix malfunctioning

    My Plesk server suddenly alerted me to a mass mailing via an account correo@email.com. I went into the maillog file and saw that it was triggered by the following line: Nov 25 08:31:27 servidor postfix/smtpd[2264977]: 82EF8863DF: client=localhost.localdomain[::1], sasl_method=PLAIN...
  7. V

    Issue Smarthost + SRS = relay?

    We have the following situation for a domain on our Plesk Obsidian 18.0.64 for Linux: - Domain xxx.yyy is setup on the server with mailsettings "disable incoming mail, allow outgoing mail" (mail is at MS365) - SMTP server is postfix - Setup the smarthost feature pointing to our Spamexperts...
  8. F

    Issue Missing SMTP "received from" header

    Hi: I have been trying to report some spam messages to SpamCop. But when I report the entire message with the headers, SpamCop can't determine the source IP of the spamming server. I have checked and some messages get the "Received from" header but others (like Gmail messages) don't. Other...
  9. iain

    Question PCI compliance - Postfix EXPN/VRFY issue

    Hi, I've been sorting out a few PCI compliance issues from their scans but this one I can't fix: Multiple Mail Server EXPN/VRFY Information Disclosure The remote SMTP server answers to the EXPN and/or VRFY commands. The EXPN command can be used to find the delivery address of mail aliases, or...
  10. J

    Issue Postfix Issue Mobile Client

    Hello, i have the Problem that i cant connect any mobile Device to my Plesk Mail Account it says mail.mydomain.com does not Answear on Roundcube and Outlook Desktop Client sending and reving mails works fine has everyone an Idea? Best Regards Jannik
  11. andreios

    Issue Creating a Send-only e-mail address leads to an error message: 'No such user ..'

    I tried to create a send-only Email. But I got "No such user 'info@mydomain.com' in mail authorization database" After activating inbox for this E-Mail account, it worked immanently. I use postfix.
  12. S

    Question postfix/smtpd: could not find auxprop plugin, was searching for sql_sqlite3

    the postfix is down for unknown reason, restarted it email cannot be sent/received. I have these errors in /var/log/messages : plesk version 12.0.18 what/where should I be looking at Thanks
  13. T

    Issue Duplicated emails

    Hi All of a sudden I am getting reports from clients about receiving duplicated emails in the hundreds with the same Message ID. We have recently introduced greylisting to solve a problem where the server was blocking emails with secureserver.net in the SPF record and the emails that were...
  14. E

    Issue Several understanding errors in my postfix

    Hello everyone. After several weeks of work, I have finally not been able to solve the problem I have with my Postfix server and sending emails to Gmail accounts. I put them in the situation and explain the problems I have been encountering to see if anyone has had the same problem and managed...
  15. R

    Resolved After migration: Mail delivery does not work: do not list domain in BOTH mydestination and virtual_mailbox_domains

    Hello, After migrating from Centos to Cloudlinux and restoring from a Plesk backup, it appeared with mail receiver, but for only one domain assigned to the server (All other domains work fine). This solution didn't help me...
  16. R

    Issue SSL/TLS cert for mail server not updating (Lets Encrypt)

    It seems Plesk has some issues renewing the TLS certificate which is used by the mail server. In my setup I have: Domains: - domain.tld - mail.domain.tld (only used for the certificate) Mail server - on domain.tld (for mails like info@domain.tld) - SSL/TLS certificate for mail: Lets Encrypt...
    • remy
    • Thread
    • lets encrypt mail certificates postfix renewal problem ssl tls certificate
    • Replies: 2
    • Forum: Plesk Obsidian for Linux
  17. K

    Question Is there a way to see contents of the postfix greylisting?

    I recently switched on greylisting and wonder if I have the possibility to see, which domains (or IPs?) are already saved as being ok for new mail to pass, and maybe also what's currently in the "waiting" (for email to arrive again) state?
  18. U

    Question How to configure postfix to pipe all incoming email to a script using Plesk?

    Basically, I'd like the same functionality as in the question below. I only run into the issue that whenever I add transport_maps = hash:/var/spool/postfix/plesk/transport, hash:/etc/postfix/transport to the main.cf file, indeed the script gets executed, but the email will no longer be stored...
  19. J

    Resolved 25: Connection timed out - Almalinux 9.4 x86_64 | 18.0.61.1

    Hi: I migrated centos 7 to Almalinux 9.4 one month ago, and works ok. This morning, i go to send a email, and dont work, and the logs said: May 17 21:46:08 plesk plesk_saslauthd[90555]: privileges set to (89:89) (effective 89:89) May 17 21:46:08 plesk plesk_saslauthd[90555]: failed mail...
  20. C

    Resolved Getting the error message "452 4.3.1 Insufficient system storage"

    Hi, a few days ago this message started to appear in our maillog: It always starts around 04:12AM and it lasts less than 10 minutes. The affected accounts are in most of the cases the same three. Postfix and Amavis are the ones who complain about it, Postfix is my SMTP server and I got Amavis...
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