New answers tagged postfix
0
votes
How to reject mails sent to a mail adress found with a ldap lookup
I found the local_recipient_maps, that locks in postfix to only accept mails to users I have specified in a ldap file
local_recipient_maps = ldap:/etc/postfix/ldap-active.cf
0
votes
How to make Postfix route mails through sender-specific relay instead of smarthost?
You could likely avoid the transport rule that takes precedence, by using your relay_by_sender file for everything:
# Exceptions
[email protected] [example-com.mail.protection.outlook.com]:25
...
5
votes
can't get email from exchange to postfix
Mail is delivered on port 25. I am surprised that ANY MTA is delivering mail to your service - 465 and 587 are explicitly designated for mail submission (i.e. from a MUA, not delivery from a MTA). ...
1
vote
Postfix - How to send bounces only to postmaster?
you have to set notify_classes = in main.cf. And set bounce_notice_recipient = postmaster .
0
votes
Receive notification whenever someone marks email as spam POSTFIX
The closest thing to what you are looking for is called Complaint Feedback Loop.
Many large providers, notably Microsoft and Yahoo, will let you register your IP address and/or domain to receive such ...
1
vote
Accepted
What does `static:rest` in the Postfix configuration mean?
The list has to yield a result for all acceptable mechanisms.
If you want to exclude entries without explicitly enumerating what remains, you need something in that list to match all remaining entries....
1
vote
Receive notification whenever someone marks email as spam POSTFIX
It's impossible. Postfix (or other MTA) does not take any part within this marking up process.
When the mail is delivered, it is put into MDA (message delivery agent), such as Cyrus or Dovecot. MUA (...
0
votes
Postfix relay to Office 365 - DNS configuration
Relaying is very different from sending email. The measures you've described relate to sending email. They should all be irrelevant to relaying email.
I believe DKIM signature should be encrypted in ...
2
votes
Postfix: force a bounce to undeliverable individual recipient stuck in queue
Update for others landing here. It is now (since postfix 3.5) possible to force expire a mail in a queue with postsuper -e B693A1601A9
We use the following steps:
if [[ $QUEUE_ID == *"!" ]] ;...
3
votes
Accepted
CentOS 7: Postfix logs got cleared when running history -c. How can I investigate what happened the day the log was cleared?
These two events are not in a causal relationship; history manipulates the history list, not any service log files.
Check your logrotate configuration.
logrotate --debug /etc/logrotate.conf
There is ...
0
votes
Accepted
Firewall not keeping relay attempts from reaching postfix
It's been a while and despite my attempts at providing the information I was being asked, no one other than user anx seemed to find my problem worthy of providing some assistance. I wish whoever down-...
1
vote
Linux port 25 is not working, and postfix unable to establish external connections at port 465, internal connection works with issues
Thank to the comments of @HBruijn above, I solved this problem. The problem is that I configured two inet_interfaces.
One thing valuable is that seems like in the current postfix configuration file, ...
0
votes
Dovecot says user does not exist although it's in MariaDB database
Well, I solved this question anyway. But, it is not actually a solution.
I just simly update my dovecot to the newest version (from 2.2.10 to 2.2.36). I don't know why this works (maybe because of ...
0
votes
How to route some email accounts of a domain with transport_maps to another MX if user doesn't exist locally?
I solved this by doing a similar thing as mailman3:
Create an alias subdomain (e.g. gm.example.com) in gmail. Please note, that for some weird reason gmail.example.com is not allowed by gmail.
Add ...
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