• 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.

smtp

  1. A

    Issue Plesk not send email

    good afternoon, although everything is active on the plesk side and the smtp 25 door side, plesk does not send notification emails for password reset of registered users or any other automated emails from plesk what could I do? - - - - - Buon pomeriggio, nonostante sia tutto attivo lato...
  2. N

    Issue SMTP issue

    Hello! Can anbody help me to resolve it! Thank's & Best regards, Goran
  3. S

    Resolved Which e-Mail client authentication method is secure?

    Hi all, I have a question regarding the security of the different e-Mail authentication methods (DIGEST-MD5 CRAM-MD5 PLAIN LOGIN). At the moment I'm providing all of them but I want to restrict them to most secure ones. What I can see from the maillog is, that most clients are using the PLAIN...
  4. S

    Question The message coult not bin send You are not allowed

    Hi When I try to send a mail via webmail (or Maliclient) to a hosted domain, I get the following error message. SMTP error: [554] 5.7.0 The message coult not bin send You are not allowed to use sendmail utility However, this does not happen with all domains, only with a few. I also don't know...
  5. sercan

    Resolved SMTP Mail Not Working

    Hello there, I'm having trouble sending mail for the plesk server I've set up on Google Cloud. I know port 25 is closed in Cloud. For this reason, I checked the "Enable SMTP service on port 587 on all IP addresses" option in the mail settings and my 587 port is open. My hostname setting is...
  6. D

    Resolved Gmail 'Couldn't reach server. Please double check the server and port number' error

    Hi, I was able to connect my accounts on my Plesk Cloud Server to my Gmail accounts for the last several months without any issues. It has stopped connecting after 26th of July, 2021. POP3 still connects and mails can be retrieved in my Gmail account but SMTP on 587, 465 and 25 just doesn't...
  7. F

    Issue External SMTP Server (MSMTP)

    Hello! I use Plesk in a vps environment (Lightsail) and I have uninstalled the mailserver that comes along with Plesk because all my emails are managed with an external provider (MXRoute). But I needed the notification emails and forget password emails to go out from Plesk. so I followed this...
  8. B

    Resolved My mail server is on a spam list

    My outgoing mail is being blocked by certain mail servers with the following error: <[email protected]>: host mail.abuseat.org[54.93.50.35] said: 550 *** The HELO for IP address 139.180.168.140 was 'localhost.localdomain' (invalid syntax) *** (in reply to RCPT TO command) It appears...
  9. B

    Issue SMTP Reverse DNS Mismatch

    Hi, Recently my all my domain hosted on the same server using 1 static IP has been facing this issue. Can anyone help me with this issue? Current setup public IP address already have RDNS setup to server domain name 223.25.82.206 > RDNS > proteus-dt.com error I am receiving
  10. R

    Resolved Plesk behind HAProxy

    Hello all, we currently have the situation that we need to put our Plesk server behind a HAProxy. Getting the "real IP" for the webserver, was easy. But I am currently stuck with the Mail Service. IMAP is already working, only the mail sending fails. I have evaluated the logs and get the...
  11. J

    Question Problem sending mail

    I have a problem with sending mail i receive mail but i cannot send it all is configured correctly and i do not know what is wrong can someone help
  12. B

    Question E-Mail Problem - Outgoing-SMTP

    Hey, i got a Webhosting Plesk in IONOS Provider , Evertythink okay but only Outgoing Mails is not, the Incommings Mail working perfect , but if i try to send an E-mail to any Mail Adress , its going also Outlook dont show me any Error or anythink else, but the Receiever getting any E-Mail ...
  13. M

    Issue SMTP Auth not working

    After a fresh install with Debian 10.7 PLESK Plesk Obsidian 18.0.32 postfix Outgoing mail mode: Send from domain IP addresses SSL Certificats are good When trying to setup a mail account in Outlook or on IOS I get IMAP working fine but SMTP Auth with everyting I tried is not working Outlook...
  14. A

    Issue wp_mail function not working in PHP 7.4.12

    Hi, using the basic script below <?php /** * This file can be used to validate that the WordPress wp_mail() function is working. * To use, change the email address in $to below, save, and upload to your WP root. * Then browse to the file in your browser. * * For full discussion and...
  15. P

    Issue Can't send or receive emails through IMAP and SMTP to my email client (Webmail is working)

    I have two servers hosted on OVH. one plesk web admin and other one is web pro. Both servers webmails are working fine. But I can't connect any working email with an email client. Everything from my end is set. SSL certificates are installed on every single domain. I contacted OVH and told them...
  16. A

    Issue No mails in the Send Folder in Horde

    Hi, When I send the mail from Horde client, mails are send successfully but there are no mails in the send folder. The send folder shows empty, as there are no mails present in send folder after sending mails. Please let me know the solution for this issue. Thanks
  17. B

    Question Block outgoing email from domains that are not hosted.

    Hi, I want to block all outgoing mail on our Plesk server that are using from email addresses that are not hosted on our website. Is there any simple way to achieve this in postfix? I've already tried updating smtpd_sender_restrictions, but that blocked all incoming email for some reason. Can...
  18. T

    Issue Sending emails from other email addresses

    Hello, I realized today that I can easily setup an email account in my email client with ANY email address and use my Plesk SMTP account credentials for it. That means: A person from one company (domain) on my server can send emails in the name of another person from the same or even another...
  19. S

    Issue SMTP not working to some providers

    Hello, when i send a mail from my server (with a wordpress contact form, not an existing adress) to a gmail adress it works fine. When i send a mail to another provider then its just stuck in my mail queue. I tried postfix smtp first and then qmail but it didnt help. I also added my server...
  20. P

    Question msmtp daemon

    When using the Plesk External SMTP option (msmtp), is there a daemon that can be restarted should problems arise? I didn't see anything obvious running `ps -aux` or `service --status-all`
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