• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • 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.

dkim

  1. H

    Resolved DKIM Signature missing external DNS

    I'm trying to enable DKIM on my server. Tools & Settings -> Server-wide mail settings: "DKIM spam protection" is checked. Domain -> Mail Settings: "Allow signing outgoing mail" is checked. I use an external DNS server and add these 2 TXT records: default._domainkey and _domainkey . I compare...
  2. D

    Issue Spoofed Emails Appearing as Sent from My Own Server Despite Correct SPF/DKIM/DMARC Configuration?

    Hi everyone, I'm having an issue with my mail server, and I'm hoping someone can help me out. Despite having correct SPF, DKIM, and DMARC configurations, my server seems to be allowing emails from spoofed senders. These emails are suddenly appearing as if they are sent from my own server. Here...
  3. A

    Resolved DKIM for domain alias when Synchronized DNS using MailEnable

    I have a main domain and a number of alias domains (34) for this main domain, each alias is used to show a branded version of the website. Each domain can send email using the alias domain address. Each alias has: Synchronize DNS zone with the primary domain: ON Mail service: ON Web service: ON...
  4. F

    Question DKIM DNS Record Not Displaying in Plesk Email Settings

    Hello everyone, I am using a Plesk server that also functions as my mail server. For my domain's email settings, I have enabled the option "Use DKIM spam protection system to sign outgoing email messages." However, under the "External DNS Configuration" section, no DKIM DNS entry is displayed...
  5. A

    Issue DKIM and DMARC issue, emails not sending

    Please help me. I red all articles, tried ChatGPT 4 and Copilot Pro. But I had no luck. My issue is with sending emails. They are not sending. But reality is different All settings are just as knowledge base and threats with this topic are showing us to be. The output from the dig +trace...
  6. burnley

    Question DKIM and plesk event manager

    Can someone point me in the right direction, I'm trying to find an event in Plesk Event Manager that triggers on DKIM signing being enabled, updated or removed.
  7. P

    Question PHPMailer, DKIM, and Plesk

    For shared web servers when using DNS externally and mail externally, we used the steps here to enable DKM and signing on all domains: https://support.plesk.com/hc/en-us/articles/12377279341975-How-to-enable-DKIM-signing-for-all-domains-on-Plesk-for-Linux- We then use this step to get the key...
  8. C

    Issue DKIM and SPF do not align with RFC5322. Then DMARC result is fail.

    Hi, I'm having a problem when I use Mailgun with Plesk email account on one specific server. We have multiple servers with similar configuration, but this problem only happens in a specific server. The problem is that RFC5322 does not align with DKIM and SPF when using Mailgun and for that...
  9. I

    Issue DKIM public key longer than 255 chars

    Hi all I've migrated a domain from a server (Ubuntu 22.04.3 LTS) with Plesk Obsidian 18.0.57 to a new server (Ubuntu 22.04.3 LTS) with the same version of Plesk Obsidian 18.0.57 On the old server plesk was creating DKIM keys with default length (2048); the DKIM public key was long about 200...
  10. LinqLOL

    Resolved DKIM fails on RHEL7

    On our RHEL7 based Plesk servers, we are currently having issues with both the Mail Server Settings page, as well as the ability to generate DKIM keys for subscriptions. The problem is the same for both issues, though with different binaries that do not appear to upgrade. When hitting OK or...
  11. C

    Resolved DKIM is valid but signature fails

    Hi, I'm using CentOS 7 with Plesk Obsidian Web Host Edition 18.0.54 #4. I'm having a problem with DKIM only on one domain. Webmail is disabled, clients in this domain use mail clients as Outlook, Thunderbird, ... No error messages detected in /var/log/maillog related to DKIM. DKIM is enabled...
  12. M

    Question DKIM fails with plesk server as relay

    Hello, we are runnig plesk obsidian 18.0.44 with postfix as a mail relay for an exchange server 2019. there are multiple different mail domains on the exchange server. in recent times mail delivery failed because dkim was not set up so i enabled dkim for domains on the exchange server. dkim...
  13. Kulturmensch

    Resolved DKIM fails

    I configured my new server again to use DKIM. When I follow the Plesk manual I have simply to go to the E-Mail menue located in my domain. When I choose DKIM a window pops up showing the key I had to copy/paste in my external DNServer. (All keys are anonymized) This is the key I found...
  14. O

    Question Fail2ban, sendmail and DKIM

    Hi, I'm trying to configure an email alert on some jail, but after I have configured it I have this error on fail2ban status : Jun 29 11:07:09 server.com fail2ban-server[144124]: Server ready Jun 29 11:07:09 server.com plesk-sendmail[144203]: S144203: from=<[email protected]> to=<[email protected]>...
  15. QWeb Ric

    Issue DKIM signatures not applied when incoming mail disabled

    I noticed Plesk now has 3 options for the per-domain mail service. Instead of just enabled and disabled, there's now a "Disabled for incoming mail" option which I presume means we can finally have the mail service running for generating emails through, without the server erroneously trying to...
  16. J

    Issue EXTREMELY frustrating, emails keep being kicked back, DKIM, DMARC, and SPF setup

    Hey everyone, according to my username its been some time since I have been here. I have my email domains hosted on a server that is NOT serving the website, and those reside on plesk. I have created all records and on my domain registrar I have also put in the proper records, but EVERY email...
  17. Zalvatore Dela

    Issue Outlook and Gmail block my clients emails! DKIM too long

    Hi, I've been struggling especially with emails sent to Outlook...they get bounced right away! I have enabled DKIM, SPF and DMARC. But the validation still reports errors. I'm using plesk onyx on rocky linux. Here the report. PLEASE HELP! This message is an automatic response from Port25's...
  18. N

    Issue DKIM signature unverified

    Hi all, I am trying to setup DKIM on my Plesk server however if I use the mxtoolbox email deliverability tool to chekc compliance I keep getting the 'DKIM Authenticated' failed. Due to the lack of DKIM signature some of the emails I send end up in customers mail spam boxes. The domains are...
  19. QWeb Ric

    Issue DKIM and mailer daemon emails

    We recently added DKIM to main domain, to combat some spam issues and get our sender reputation back up, but our server hostname is a subdomain of this domain and it looks like this is resulting in mailer daemon bounce emails being rejected because they're not sent with the appropriate DKIM...
  20. N

    Issue my domain got blocked from yahoo gmail and ...

    Hi please I'm newbie to plesk and the DNS records configurations and I want to fix my issues this my test on mail-tester https://www.mail-tester.com/test-l8hbslkgt and I'm still having issue like : This is the mail system at host server.expressshop.tn. I'm sorry to have to inform you that...
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