Exim authentication under FreeBSD

Frank Leonhardt frank2 at fjl.co.uk
Thu Jan 25 17:23:54 UTC 2018

On 2018-01-25 15:28, Vincent Hoffman-Kazlauskas wrote:
> On 25/01/2018 14:32, Frank Leonhardt wrote:
>> On 2018-01-25 14:14, Lena at lena.kiev.ua wrote:
>>>> From: Frank Leonhardt <frank2 at fjl.co.uk>
>>>> How do people do outgoing SMTP user-account authentication using 
>>>> Exim?
>>>> I'm talking about traditional user accounts (/etc/passwd) here, not
>>>> glorious LDAP or SQL database virtual users. If you've not come 
>>>> across
>>>> this little problem-ette, Exim does not ever run as root and 
>>>> therefore
>>>> can't check /etc/master.passwd like sendmail/saslauthd can.
>>> I run a POP3 server (port mail/popa3d) on the same machine
>>> and use obsolete removed port security/pam_pop3 with Exim's
>>> server_condition = ${if pam{
>>> and /etc/pam.d/exim :
>>> auth required /usr/local/lib/pam_pop3.so hostname=localhost info
>>> pwprompt=Password: timeout=5
>>> account required pam_permit.so
>> Thanks. This exact method is actually in the Exim documentation, but 
>> as
>> you state, the port no longer exists.
> I dont use exim on freebsd but
> https://github.com/Exim/exim/wiki/AuthenticatedSmtpUsingSaslauthd
> suggests you could use it with cyrus-sasl-authd which is an option in
> the port has that as an option in "make config" but not selected by 
> default.
> Another option the port has is dovecot auth if you run dovecot 
> imap/pop3
> https://wiki.dovecot.org/HowTo/EximAndDovecotSASL
> I use the dovecot sasl with postfix happily, but as I said I've not
> tried exim.

Thanks. It's not the same on FreeBSD but it is possible to get it 
working with a bit of fiddling (i.e. add the third parameter which it 
will use to select the appropriate PAM module from /etc/pam.d/xxxx).

There used to be a system called pwcheck but this is now deprecated by 
Exim; hence the question - what are other people doing?

You can, theoretically, have Dovecot authenticate it (according to the 
Dovecot documentation). That's fine if you're running a IMAP/POP3 server 
on the same box.

Regards, Frank.

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