postfix

Hello, So, I installed Plesk Email Security Extension, and I have everything working correctly on Inbound messages. But, when I try to send an email (with and without files), it gets all deferred on Postfix status. Even waiting one hour to try to deliver the message, it's just on a "hold"...

It seems that the patch doesn't helped. I still get the following Errors in maillog: Can anybody confirm this? Plesk Obsidian Version 18.0.37 Update #2 Thanks!

Since 8:20 UTC my mail gets rate limited by Google with the following message in the mail log: "Our system has detected an unusual rate of 421-4.7.28 unsolicited mail originating from your IP address. To protect our 421-4.7.28 users from spam, mail sent from your IP address has been temporarily...

I am looking for best practices to prevent outbound spam on Plesk other than this article https://docs.plesk.com/en-US/onyx/administrator-guide/mail/protection-from-outbound-spam.71349 Recently, one [email protected] on my server had a compromised password. About 400 e-mails were sent from this...

Hello, I have a Plesk server running on DigitalOcean. DigitalOcean IP addresses all get blocked on one Spam list no matter what you do. This causes a rare amount of outgoing emails sent from Dovecot/Postfix to bounce back. I found a way to fix this by rerouting your outgoing mail server to use...

Hello everyone, currently I struggle with the SMTP Banner. on mxtoolbox. I get the error Reverse DNS does not match SMTP Banner The plesk/mail setup is as follows. domain1.com is the main domain and also the hostname for the plesk server. Here everything is correct SMTP Banner is working...

I have upgraded to Obsidian 18.0.36 on a Debian 9.13 x64 system - which broke both postfix and dovecot / imapproxy I was able to fix the immediate postfix issue, namely the milter service not being available. However, mail to accounts administered through Plesk are not being accepted: Jul 1...

When I setup a forward SRS keeps using the original sender as the sender even when it is forwarded. To make this more clear; An email send from [email protected] to [email protected] is forwarded to [email protected] When it arrives at [email protected] it remains the senders email [email protected] What I...

Hi, after migrating from plesk 17 to 18 some mailservers fails to verify DKIM - DKIM-Result: fail (wrong body hash: this happen with mail.com and some others mailservers Gmail is ok. And DKIM signature contains h=Recived: tag But i read that signature must not contain Recived DomainKeys...

Hi guys, I am new to the Forum. I am posting because a very weird thing happened today. I noticed a few minutes ago that my server was not reachable at all. Force restarted it via the server console. After that i checked the logs and found some very weird stuff. Postfix log: Syslog: Has...

We're currently trying to create a seperate POP/IMAP Plesk server. Unfortunately we have a few domains that require to host mailboxes on seperate servers (eg. [email protected] towards a ticketsystem and the others to this Plesk server), we use a standalone MX server that separates the mails to...

On my Linux Plesk Obsidian 18.0.28 I am running following simple command from Linux command line to send email to my Gmail When I run above command the email does not go out and this I get following error in /var/log/maillog I tried to use sSMTP utility and configured authentication in...

Hello, I have no banned IP while many failed connection attempts on postfix. I think fail2ban is not working properly on my server. (Obsidian 18.0.34 on Debian 10) Its settings are the original ones and the Plesk jails are enabled fail2ban-client status Status |- Number of jail: 11 `-...

Hi there, We had a customer with a contact form which was misused for spaming. The domain from where the spam originated is now removed completly from our Plesk Server but new emails from this domain are created every some seconds and get inserted into the mail queue. But all source files are...

Hi, Today my server suddenly stop sending email messages. In log I can find messages like: I figure out that error occur because server doesn't closing connection to 127.0.0.1:12346 and that cause server to run out of available postfix connections. I can't figure why server is not closing...

Hi all, We need to install 500 new email accounts. Is it possible to import the information for creation? and not to do everything by hand ... Thank you. Erwan

System Plesk Obsidian v18.0.34_build1800210305.11 os_Ubuntu 18.04 Note, we are only using the server to send out emails, individual email accounts are managed by google g suite Issue: we are not getting emails sent by the system to any domain user (order confirmation, etc). Emails sent to...

VERP / recipient delimiter support has been added in latest version of Plesk GUI (thanks for that Plesk team!) It would be fantastic to add custom additional delimiters within GUI. Reason: some of us are using "-" as delimiter. If we want to continue to use this delimiter the current Plesk...

After spending almost 2 days getting opendkim to work, I finally did, and the service is running without error. However, when I run "sudo -u opendkim opendkim-testkey -vvvv" in console, I get the below error. I'm 99% sure my config is correct. Does anyone have any ideas? *Domain name changed...

Hello fellow Plesk users, I am having some spam mails slipping through my spamassassin filters and want to get rid of them by checking for various subject lines. Since there is no GUI way in Plesk to do this and I also couldn't find a CLI command I was looking for other solutions. With...