I am administering a Postfix that uses sender_canonicals to do a rewrite of
the header from but I need to disable that option.
I have commented the sender_canonical file but when reloading the
configuration I try to send an email and the service fails.
#sender_canonical_maps = regexp:/etc/postfix
Good days, request help, is it possible to use conditions in the
sender_canonical file? we are migrating an entire system and some customers
do not have our SPF added.
I would like to add a condition for you to rewrite the from when it does
not match a condition.
Example,
If the from is not doma
I’ve created the next rule but I don’t know if it’s works.
!if !/^(.*)@(domainclient1.com|domainclient2.com|domainclient3.com)$/
nore...@mydomain.com
endif
At the moment there are only domains that have our spf, as there are many
domains that do not have our spf, I want to create a rule to rewrit
Sorry for such a basic question but I couldn’t find a solution on my part.
I’m trying to block a Subject using header_checks but it’s not working.
This is my rule:
/^Subject:.*Invalid HTTP_HOST header.*/ DISCARD SUBJECTALERT
I used postmap to test the rule but not match.
postmap -q "[KIS] ERROR
RAL
any ideas??
On Fri, Apr 14, 2023 at 3:50 PM Viktor Dukhovni via Postfix-users <
postfix-users@postfix.org> wrote:
> On Fri, Apr 14, 2023 at 03:31:17PM -0300, SysAdmin EM via Postfix-users
> wrote:
>
> > Sorry for such a basic question but I couldn’t find a solution o
Hello everyone the problem persists. Maybe I’m doing something wrong.
Step 1, I add the rule in the /etc/postfix/header_checks file
/^Subject:.*You may need to add/ DISCARD TMP_BLOCK
Step 2, postmap /etc/postfix/header_checks and postfix surcharge.
Are these steps correct?
Could the problem oc
Hi, Is it possible to discard an email based on the Subject and the
destination email address?
I try this and not work:
/^Subject:.*Test email subject .*To:.*m...@me.com/ DISCARD
Any helps?
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