Public bug reported:
## Bug Summary:
Mail send from the localhost to "root" will not follow /etc/aliases in
smarthost config due to "dpkg-reconfigure exim4-config" error.
(solution provided in the end)
## Setting: exim4 (4.76-3ubuntu3.1) configured as smarthost without local mail
delivery.
// installed packages
root@hostX (0)# dpkg-query -l 'exim4*'
/etc
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-=====================-=====================-==========================================================
ii exim4 4.76-3ubuntu3.1 metapackage to ease Exim MTA
(v4) installation
ii exim4-base 4.76-3ubuntu3.1 support files for all Exim MTA
(v4) packages
ii exim4-config 4.76-3ubuntu3.1 configuration for the Exim MTA
(v4)
un exim4-config-2 <none> (no description available)
un exim4-daemon-custom <none> (no description available)
un exim4-daemon-heavy <none> (no description available)
ii exim4-daemon-light 4.76-3ubuntu3.1 lightweight Exim MTA (v4) daemon
un exim4-doc-html <none> (no description available)
un exim4-doc-info <none> (no description available)
un exim4-localscanapi-1. <none> (no description available)
un exim4-localscanapi-1. <none> (no description available)
// dpkg-reconfigure exim4-config (relevant ones)
mail server configuration type: "mail sent by smarthost; no local mail"
mail name: "hostX.domainY" ## same as ´hostname -A´
...
Other destinations for which mail is accepted: "hostX.domainZ;hostX.domainA"
// nano /etc/aliases
mailer-daemon: postmaster
postmaster: root
nobody: root
root: m...@example.org
/ /etc/exim4/passwd.client
The user account used for mail transport is different from m...@example.org
(someth...@gmail.com in my case)
## Bug:
mail send from the host to "root" will never go to "m...@example.org"
regardless of /etc/aliases config
## Root cause:
dpkg-reconfigure exim4-config does not add "mailname" ("hostX.domainY") into
"MAIN_LOCAL_DOMAINS". This causes exim4 to skip /etc/aliases since "root" is
automatically expanded to "root@hostX.domainY" which is not identified as local
address due to "hostX.domainY" missing from "MAIN_LOCAL_DOMAINS"
// less /var/lib/exim4/config.autogenerated
(search " MAIN_LOCAL_DOMAINS")
.ifndef MAIN_LOCAL_DOMAINS
MAIN_LOCAL_DOMAINS=@:localhost:hostX.domainZ:hostX.domainA ("mail name"
"hostX.domainY" is missing!)
.endif
FYI: "@" denotes hostname without domain part
## Solution
1) Automatically add "mail name" ("hostX.domainY" in this example) into
MAIN_LOCAL_DOMAINS in dpkg-reconfigure
2) Change the text in dpkg-reconfigure to explain that for some reason
(???) user needs to re-type "mail name" (hostname -A) into the field.
The current text misleadingly mentions only "_other_ destinations".
PS. It seems the issue has been here long:
http://lists.alioth.debian.org/pipermail/pkg-exim4-users/2009-June/001636.html
** Affects: exim4 (Ubuntu)
Importance: Undecided
Status: New
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Server Team, which is subscribed to exim4 in Ubuntu.
https://bugs.launchpad.net/bugs/1094984
Title:
/etc/aliases does not work (dpkg-reconfigure error)
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