[Discuss] Postfix ailiaes question

[johnhall2.0 at gmail.com (John Hall)]

So I forgot to ask, Is the ping user the mail user?





On Sat, Jan 11, 2025 at 7:47?PM John Hall <johnhall2.0 at gmail.com> wrote:

> I think we need the messages and logs not the paraphrased messages and
> logs otherwise how is anyone going to see something you did not see?
> I'm presuming you don't have se-linux or apparmor on?
> What user is running the mail daemon?  Does it 100% spawn processes under
> this same user or does it use the mail users' permissions for anything?
> I can't remember. I think for all it's internals , for what is
> automatically managed it definitely is the mail daemon user but it just
> might not do that for some features that are intended for user directories
> using patterns.
>
>
> On Sat, Jan 11, 2025 at 1:35?PM Kent Borg <kentborg at borg.org> wrote:
>
>> On 1/10/25 2:03 PM, Kent Borg wrote:
>> > How do I get postfix to append some mail to a file?
>>
>> After a lot of poking about I found out what was needed.
>>
>> In /etc/postfix/mail.cf I needed to add:
>>
>> > allow_mail_to_files = alias
>> > default_privs = ping_user
>>
>> I think the first line was already part of the default value (and that I
>> narrowed it) and the second line is the user that the file operation
>> will happen as. I also created ping_user as a nologin user, set the
>> ownership of the directory to that user.
>>
>> Postfix didn't used to require this. But that was years ago.
>>
>> It would be nice if the error message gave a little more context beyond
>> just a permission error. (I should demand a refund.)
>>
>>
>> Thanks,
>>
>> -kb
>>
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>