postfix

Can SPF validation by postfix be disabled when receiving mails from a specific server, for a specific email account, or an entire domain of receiving accounts? My problem is that Germany's largest ISP spoofs the sender address when they forward emails. When someone sends a mail from a domain w/...

Hello, I'm currently exploring Plesk's mail capabilities. I searched for an option to add a "sender address" to individual email accounts of a domain, but couldn't find any. To my surprise, I was able to add a sender address of an existing mail account on the same domain in Outlook, using the...

Hello, i got a fully working mailserver and im playing with the firewall. my idea was, enable the services i really use, and then block all other outgoing and incoming traffic. i think this is i little bit more secure isnt it? so i set it up, leave the enabled presets of plesk like SMTP and IMAP...

What is the goal of this line inside postfix/main.cf? plesk_saslauthd unix y y n - 1 plesk_saslauthd status=5 listen=6 dbpath=/var/spool/postfix/plesk/passwd.db i have notice today about a brute force attack, i had installed Fail2ban but it is...

I am transferring users from an old server to a new one. In the old one I was using courier-imap and in the new, dovecot. I used the courier-dovecot-migrate.pl script to transform the Maildirs to dovecot. For a period of time, I have messages delivered by Postfix that never reached the proper...

Slightly detailed explanation, but at least there's only one question at the end :) and we're sure that somebody on here, will know the answer. We're almost at the stage of successfully applying DKIM to all PHPMailer sent e-mails on some of our domains that now require this option. We're testing...

Hello I have already replaced the received headers (IP-REMOVED) which are exposing the client IP-Address of users sending mails from their local clients like explained here: Remove sensitive information from email headers with postfix But since I am using SPF and DKIM, I have another privacy...

Hello, I have a problem with my Strato V-Server with Ubuntu 16.04.4 LTS and Plesk. I would like to send an e-mail with PHP to a Hotmail e-mail address. But an error message came back: This is the mail system at host mrobelix.de. I'm sorry to have to inform you that your message could not be...

Has anyone else been having issues with DKIM validation recently ? I believe it cropped up for us around the time of our 17.5 to 17.8 upgrade... I've already verified that the keys as seen in the Plesk DNS manager are propagated / have tried switching DKIM signing off and back on for the...

Hello, I'm not sure if this is the best place to post this. But using Onyx so... I have an issue with Outlook on Mobile, when emails are sent on mobile they go to the qmail directory for the account, but into .Sent Messages - this shows up find in Roundcube, and Desktop under that Folder "Sent...

Hello, I have an error installing postfix from Plesk: L'installation va s'arrêter apg-get échoue avec le message suivant : Reading package lists... Building dependency tree... Reading state information... You might want to run 'apt-get -f install' to correct these: The following packages have...

Somebody will have already done this somewhere, we're sure... Our setup is shown on our forum signature for reference. Using the standard Plesk setup, certificates are created and stored to enable SSL e-mail by default. You can also secure the mail server using Let's Encrypt (as shown here)...

Hello, I'm trying to receive from an email account an email, but they gets this error: host mail.domain.com [xxx.xx.29.70] SMTP ERROR from remote mail server after pipelined DATA: 550 5.7.1 Command rejected. I have Plesk Onyx 17.8 Where can I look for?

Hi, on plesk installer i have seen you offer 2 different antivirus software. Premiumantivirus for server and Kaspersky. Both cost about 30 € at month. Why do you dont include free scanners like ClamAV ?

I am having a problem with autoreplies not being forwarded properly. I have an email address, [email protected]. Emails from this address are sent through SMTP on Plesk as [email protected]. Then there is a forwarder from [email protected] to [email protected]. Regular emails are sent and...

Hello, I recently got an abuse mail by my hosting provider, stating that my server is sending spam. The following excerpt was attached to the abuse mail: [ SpamCop V4.8.7 ] This message is brief for your comfort. Please use links below for details. Email from 94.130.34.42 / Sun, 18 Feb 2018...

Hello! I have 2 mail services on different domains in my Plesk Onyx (e.g. domain1.com and domain2.com). And one dedicated address for each domain. Is it possible to issue one certificate for both domains in Plesk? Because in Plesk settings ( SSL/TLS Certificates) I can choose only one...

I recently started using a floating IP address for my droplet at Digital Ocean, following the instructions at Default Plesk page is shown for a domain assigned on a floating IP address from DigitalOcean. However, after changing subscriptions to the new floating IP (which works fine for the...

I've got issues with OpenDKIM not starting on my CentOS 7 (with Postfix) server since an update for OpenDKIM crashed a while ago. It seems to have to do with this error: postfix/smtpd[32230]: warning: connect to Milter service inet:localhost:8891: Connection refused How do I check if the...

Hi all, up until about a couple of months ago, in /etc/postfix/main.cf it said: smtpd_tls_cert_file = /etc/postfix/postfix_default.pem smtpd_tls_key_file = $smtpd_tls_cert_file Since recently this has changed (Debian 8.9), on the last 2 servers I installed it reads...