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postfix

  1. 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...
  2. C

    Issue 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...
  3. A

    Question Disable local mail delivery

    Hi all, I have an issue that i can not find a correct answer to for a while now. Office 365 makes it very difficult to use regular smtp so that a webshop on Plesk can send E-mails from an Office 365 account. Since our customers would like to continue using Office 365 we have setup the...
  4. S

    Issue Email deliverability issues

    I have a near perfect score on mail-tester.com -> Spam Test Result But still all the email that get sent through roundcube or thunderbird are going straight to outlook junk. I checked all the spam blacklists and the IP is clear. Also I asked for a delist with microsoft and they said I wasn't on...
  5. R

    Issue Change outgoing mail address IP then broken server

    Hello, Change the IP address for outgoing emails in Plesk panel server then broke the mail and all websites on the dedicated server. Maybe someone will answer why everything stops working all service?
  6. R

    Issue Postfix generates a lot of processes after a hacker attack

    Hello, I have a problem after hacking the server to send spam from my mailboxes. I have dozens or even hundreds of such processes all the time: I get a lot of alerts: lfd on bendlight.eu: High 5 minute load average alert - 6.40
  7. W

    Question cloud memory per postfix or imap/smtp sofware

    hi I wonder if I can use an AWS Amazon Cloud space for mail (Postfix and Imap courier or other Plesk mail software) to store mail as you can imagine I have problems managing the imap saddles and the memory it occupies on the server disk today the mail goes here /var/qmail/mailnames And if so...
  8. T

    Resolved Smtp Smuggling advisory

    Regarding this advisory SMTP Smuggling - Spoofing E-Mails Worldwide Is it safe to apply the following changes to postfix to a server managed by Plesk? https://www.postfix.org/smtp-smuggling.html Thanks for your assistance.
  9. LuigiMdg

    Issue Server Hacked

    Hi guys, at this point I'm at a crossroads, just as it happened on another server, equipped with Webmin, I also suffered an attack on the server with Plesk, although the site is different and had never been hacked before. The purpose is always the same, to send emails from the server, I suspect...
  10. 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...
  11. J

    Issue Unable to send Mail

    Hi Everyone! New VPS, we got Plesk up and running, only problem is when we are sending emails, we get: CC35717E570: to=<[email protected]>, relay=none, delay=2530, delays=2439/0.01/91/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[142.251.9.26]:25: Connection timed...
  12. Kulturmensch

    Question Plesk postfix DANE

    In the recent update to Obsidian this was announced:"Added the ability to add Transport Layer Security Authentication (TLSA) DNS records to domains’ DNS zones in Plesk. Such records are most commonly used to implement DNS-based Authentication of Named Entities (DANE)." Where can I find more...
  13. W

    Question Too much connections to blacklisted bot IP's

    Hi. I've recently observed quite a large amount of outgoing connections from port 25 to numerous (malicious?) IP's through postfix, in turn creating several rather strange smtpd processes. I think they are bad bots. I'm mass banning them via fail2ban in the plesk-postfix part every time they do...
  14. M

    Question Unable to send mail (postfix)

    Hello, I receive emails, but the sending is stuck in the queue. Log: Jul 25 08:30:04 D1B7468 postfix/smtpd[176467]: connect from localhost[127.0.0.1] Jul 25 08:30:04 D1B7468 postfix/smtpd[176467]: TLS SNI localhost from localhost[127.0.0.1] not matched, using default chain Jul 25 08:30:04...
  15. D

    Question I had a problem installing Plesk on my vps server, please help.

    Exception: Failed to solve dependencies: plesk-web-hosting-18.0-2.centos.7+p18.0.54.0+t230619.1619.x86_64 requires mod_ssl ea-apache24 conflicts with httpd-2.4.6-99.el7.centos.1.x86_64 wp-toolkit-cpanel-6.2.4-7368.x86_64 requires sw-engine <= 3.46.0...
  16. B

    Resolved Mail get lost with wrong Dmarc

    Hey Pleskians! We have a case, where a remote Mail user have a dmarc record as following: $ dig txt _dmarc.domain.com +short "" "v=DMARC1" This leads to an Error when a mail is sent to our Plesk server, the Mail is not bounced but also never delivered, and from the logs i would have assumed...
  17. itexpertnow

    Issue Auto Discover for multiple domains on the same server

    Hi, I have multiple domains on the same plesk server, I need help with 2 issues: 1. When the user send an email from their laptop outlook application, the public IP "From" will be exposed, is there a way to hide the sender IP? As example: Hop Delay From By With Time (UTC) Blacklist...
  18. O

    Issue receive email on all root@ domains

    Hello, Spam emails started coming to root@ addresses, i check #postmap -s /var/spool/postfix/plesk/virtual | grep [email protected] [email protected] [email protected] make command #plesk repair mail [email protected] Repairing the mail server configuration Reconfiguring the...
  19. N

    Issue Plesk removes Postfix completly

    Hello, today i checked that our mailserver based on postfix / rspamd / kopano on ubuntu 20.04.5 LTS was not working. I checked some logs and see there is no postfix service anymore. I checked /etc folder and see that folder "postfix" is missing completly. After searching syslog i see postfix...
  20. I

    Issue Plesk Can't forward Emails: Unknown User

    Trying to forward emails from a domain we no longer use (but host) to a new domain hosted by Google. The old domain is activated for email and forwarding addresses are setup. No bounces are received from test messages. In maillog I see messages such as this: May 18 03:30:55 {domain}...
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