Unanswered Questions
1,406 questions with no upvoted or accepted answers
17
votes
1
answer
7k
views
Change Envelope From to match From header in Postfix
I am using Postfix as a gateway for my domain and need it to change or rewrite the Envelope From address to match the From header. For example, the From: header is "[email protected]" and the Envelope ...
CommunityBot
- 1
6
votes
0
answers
639
views
Postfix: do not create bounce message for virtual_alias_maps with remote servers
I am using virtual_alias_maps to forward mail to remote mail servers (GMail, icloud).
I have spam prevention in place myself (SPF checks, Before-Queue Content Filter etc), but often enough spam will ...
- 813
6
votes
2
answers
4k
views
How to log the whole SMTP session including DATA with postfix?
I am running a Debian 8.5 with postifx 2.11.3-1 and i try to log the whole smtp session including DATA to mail.log.
it was possible to see a part of the data by increasing the verbosity by adding -...
- 117
5
votes
0
answers
2k
views
Ways to integrate incoming and outgoing mail webhook in Postfix
I am trying to build an application in PHP which will be able to create a Ticket whenever a new mail arrives on a specific account and whenever a reply is done for that email, the application will ...
- 151
5
votes
2
answers
862
views
PAM vs /etc/shadow in Dovecot SASL configuration - Security differences?
I set up a server with Postfix SMTP auth through Dovecot SASL. However, it was not possible to get the PAM authentification working as standard out of the box.
So more by chance, I changed it to ...
- 1
4
votes
0
answers
2k
views
Disable bounce in Postfix after failed mail forwarding
I have some mailboxes in Plesk/Postfix that redirect to some external addresses. If Postfix fails to forward a message to these addresses, it bounces back to the original sender, who is a fake address ...
- 301
4
votes
0
answers
1k
views
Postfix failed SPF check
I'm using postfix to send mail from my own domain and postfix-policyd-spf-perl to check SPF.
SPF check fail only when I send an email from my own domain to my own domain.
In summary :
mydomain -> ...
4
votes
1
answer
3k
views
When does Postfix not perform lookups in virtual_alias_maps?
I'm having a real pickle of a problem:
I have a Postfix 2.6.6 / CentOS 6 server that's set up to forward mail from specific aliases to specific destinations. This is done through a mysql ...
- 1
4
votes
1
answer
127
views
Can't configure systemd:postfix on pacemaker to work properly
Objective: I have a cluster managed by the pacemaker, I want my postfix resource to depend on clamav-daemon.service and mailscanner.service. If either one of these two resources fail, the IP jumps.
I ...
- 1,894
3
votes
0
answers
780
views
postfix smtpd process bound to unix domain socket
To utilize a special cleanup daemon for outgoing emails only, I defined a special smtpd process in master.cf that is used as default_transport. (Only postfix should be able to submit emails through ...
- 4,455
3
votes
1
answer
479
views
TLSA lookup error for dhmx02.web.de:25
we are running a mail server and always the same error in the logs (for a specific recipient):
Aug 23 05:39:17 Mailer postfix/smtp[13561]: warning: DANE
TLSA lookup problem: Host or domain name ...
- 121
3
votes
0
answers
4k
views
Mail bounces: SMTPUTF8 is required, but was not offered
My mail server periodically sends a newsletter to clients. This is handled by a Perl script. A few recipient names contain non-ASCII characters like ä, é, and ö. On the server, Postfix is configured ...
- 38.7k
3
votes
0
answers
1k
views
GMail not receiving email sent via PostFix
I have a VPN configured with Plesk.
(I have installed a SSL/TLS certificate, through Plesk, using Lets Encrypt. Everything seems good as far as I can tell, but I mention it as it also protects emails.)...
- 449
3
votes
1
answer
249
views
What is current advice on forwarding email - particularly to gmail
I want to move from my current hosting site to a VPS. I am very comfortable with the website hosting side of things but at the moment my stumbling block is email, something which I have never had to ...
- 2,207
3
votes
1
answer
552
views
Remove unnecessary quotes from sender display name with special characters
I have set up Postfix with Dovecot and SquirrelMail on an Ubunutu 18.04 machine. Everything is working great, except for the display name with special characters.
In SquirrelMail, I have configured ...
