[Dovecot] Sendmail + Deliver as an LDA probs

[Steffen Kaiser]

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On Thu, 19 Feb 2009, ben wrote:

you need to make sure first, which way to go (see below).
Also check out post by "[pl>en Andrew] Andrzej Adam Filip" in
comp.mail.sendmail about Dovecot, he is good :)

> aliases file = empty and rebuilded
> virtusertable = empty + rebuilded
> sendmail.cw = emtpy
> added testdomain.com --> relay-domains
>
> I also removed my MAILER(dovecot)dnl entry and adjusted my sendmail.mc

You _want_ to use the dovecot:  mailer after all, don't you?

> to :
> DOMAIN(`testdomain')dnl
> MODIFY_MAILER_FLAGS(`LOCAL', `-f')dnl
> FEATURE(`local_procmail',
> `/opt/dovecot/libexec/dovecot/deliver',`deliver
> -c /opt/dovecot/etc/dovecot.conf -d $u', `SPhnu9')dnl
> define(`confDONT_PROBE_INTERFACES',`True')dnl
> define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl
> dnl MAILER(`local')dnl
> MAILER(`smtp')dnl
> MAILER(`procmail')dnl
> dnl #MAILER(`dovecot')dnl

This is the other approach by replacing the procmail LDA. In this case 
testmail.com has to go into local-host-names ;-)

In Debian these lines are sufficient for local domains:
dnl -f $g -- sender
dnl -d $u -- destination user account name
dnl -m $h -- mailbox to deliver to (+detail part of address)
dnl -n    -- don't create new mailbox
FEATURE(`local_procmail', `/etc/mail/smrsh/dovecot-deliver', 
`/etc/mail/smrsh/dovecot-deliver -f $g -d $u')dnl
MAILER_DEFINITIONS
MAILER(`local')dnl
MAILER(`smtp')dnl

No need to specify procmail etc. Check the results in sendmail.cf:

Mlocal,         P=/etc/mail/smrsh/dovecot-deliver, 
F=lsDFMAw5:/|@qSPfhn9, S=EnvFromL/HdrFromL, R=EnvToL/HdrToL,
                 T=DNS/RFC822/X-Unix,
                 A=/etc/mail/smrsh/dovecot-deliver -f $g -d $u

No procmail in there, except in various comments. However, I have 
experience with virtual users in this scenario.

You have to choose, whether you can replace the LDA for all users
(local_procmail approach) or need to pick Dovecot for specific users
(aka domains) -> dovecot: mailer approach.

> =============
>
> /etc/mail/mailterable :
> testdomain.com dovecot:dovecot

Do you use mailertable and relay-domains?? For the dovecot: mailer 
approach only.

FEATURE(`mailertable')dnl
define(`confCR_FILE', `/etc/mail/relayonly-relay-domains')dnl

> I think I have this error becaue local-host-names (sendmail.cw) is
> emtpy ...

see echo \$=w | sendmail -d0.1 -bt

you should see at least localhost, the $(hostname) and the interfaces
in brackets.

>
> =========LOG==========
>
> Feb 19 13:27:45 hostname sm-mta[1223]: n1JCRXkt001223:
> from=test at testdomain.com,
> size=5, class=0, nrcpts=1,
> msgid=<200902191227.n1JCRXkt001223 at hostname.xxxxx.
> com>, proto=SMTP, daemon=MTA, relay=localhost [127.0.0.1]
> Feb 19 13:27:46 hostname sm-mta[1223]: n1JCRXkt001223: SYSERR(root):
> mail.testdomain.com. config error: mail loops back to me (MX problem?)
> Feb 19 13:27:46 hostname sm-mta[1223]: n1JCRXkt001223:
> to=test at testdomain.com, delay=0
> 0:00:04, xdelay=00:00:01, mailer=esmtp, pri=30005,
> relay=mail.testdomain.com. [195.207
> .136.102], dsn=5.3.5, stat=Local configuration error

Mailertable does not kick in, you have no 
FEATURE(`mailertable')dnl
I guess. Therefore the default esmtp: mailer gets used.

trace with: sendmail -d60.5 -bv addr at testdom.com

map_lookup(dequote, root, %0=root) => NOT FOUND (0)
map_lookup(host, testdom.com, %0=testdom.com) => testdom.com. (0)
map_lookup(virtuser, user at testdom.com, %0=user at testdom.com, %1=user) => NOT FOUND (68)
map_lookup(virtuser, @testdom.com, %0=@testdom.com, %1=user) => NOT FOUND (68)
map_lookup(mailertable, testdom.com, %0=testdom.com) => esmtp:testdom.com (0)
user at testdom.com... deliverable: mailer esmtp, host testdom.com, user user at testdom.com

If I had testdom.com in mailertable, the result would override the
esmtp output.

Bye,

- -- 
Steffen Kaiser
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