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Date:      Thu, 19 Nov 2020 16:41:08 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 251258] Sendmail does not accept mail from OpenLDAP users
Message-ID:  <bug-251258-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251258

            Bug ID: 251258
           Summary: Sendmail does not accept mail from OpenLDAP users
           Product: Base System
           Version: 12.2-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: kheuer@gwdg.de

After upgrading from 11.4 to 12.2 via freebsd-update, only users found in t=
he
local user database can send mail via sendmail as submission program anymor=
e.
Mail of users only in the remote OpenLDAP database gets rejected. All other
system components using OpenLDAP via pam_ldap and nss_ldap work as expected.

Installed: nss_ldap-1.265_13, pam_ldap-1.8.6_3

Query for OpenLDAP user:

fbsdhost# getent passwd | grep user
user:*:1001:20:User Name:/home/user:/bin/tcsh

Sendmail configuration:

fbsdhost# cat /etc/mail/gwdu60.gwdg.de.submit.mc
divert(-1)
#
# Copyright (c) 2001-2003 Sendmail, Inc. and its suppliers.
#       All rights reserved.
#
# By using this file, you agree to the terms and conditions set
# forth in the LICENSE file which can be found at the top level of
# the sendmail distribution.
#

#
#  This is the FreeBSD configuration for a set-group-ID sm-msp sendmail
#  that acts as a initial mail submission program.
#

divert(0)dnl
VERSIONID(`$FreeBSD: releng/12.2/etc/sendmail/freebsd.submit.mc 363465
2020-07-24 00:22:33Z gshapiro $')
define(`confCF_VERSION', `Submit')dnl
define(`__OSTYPE__',`')dnl dirty hack to keep proto.m4 from complaining
define(`_USE_DECNET_SYNTAX_', `1')dnl support DECnet
define(`confTIME_ZONE', `USE_TZ')dnl
define(`confDONT_INIT_GROUPS', `True')dnl
define(`confBIND_OPTS', `WorkAroundBrokenAAAA')dnl
dnl
dnl If you use IPv6 only, change [127.0.0.1] to [IPv6:0:0:0:0:0:0:0:1]
FEATURE(`msp', `[relay.ourdomain.de]')dnl

Local user:

fbsdhost% echo Test | mail -s test user@ourdomain.de
user@ourdomain.de... Connecting to [127.0.0.1] via relay...
220 fbsdhost.gwdg.de ESMTP Sendmail 8.16.1/8.16.1; Thu, 19 Nov 2020 17:18:39
+0100 (CET)
>>> EHLO fbsdhost.gwdg.de
250-fbsdhost.gwdg.de Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-STARTTLS
250-DELIVERBY
250 HELP
>>> STARTTLS
220 2.0.0 Ready to start TLS
>>> EHLO fbsdhost.gwdg.de
250-fbsdhost.gwdg.de Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
>>> MAIL From:<user@fbsdhost.ourdomain.de> SIZE=3D39
250 2.1.0 <user@fbsdhost.ourdomain.de>... Sender ok
>>> RCPT To:<user@ourdomain.de>
>>> DATA
250 2.1.5 <user@ourdomain.de>... Recipient ok
354 Enter mail, end with "." on a line by itself
>>> .
250 2.0.0 0AJGIdfE048266 Message accepted for delivery
user@ourdomain.de... Sent (0AJGIdfE048266 Message accepted for delivery)
Closing connection to [127.0.0.1]
>>> QUIT
221 2.0.0 fbsdhost.ourdomain.de closing connection

OpenLDAP user:

fbsdhost% echo Test | mail -s test user@ourdomain.de
kheuer@gwdg.de... Connecting to [127.0.0.1] via relay...
220 fbsdhost.ourdomain.de ESMTP Sendmail 8.16.1/8.16.1; Thu, 19 Nov 2020
17:17:27 +0100 (CET)
>>> EHLO fbsdhost.ourdomain.de
250-fbsdhost.ourdomain.de Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-STARTTLS
250-DELIVERBY
250 HELP
>>> STARTTLS
220 2.0.0 Ready to start TLS
>>> EHLO fbsdhost.ourdomain.de
250-fbsdhost.ourdomain.de Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
>>> MAIL From:<user@fbsdhost.ourdomain.de> SIZE=3D39
user@ourdomain.de... Deferred
Closing connection to [127.0.0.1]

/etc/nsswitch.conf:

#
# nsswitch.conf(5) - name service switch configuration file
# $FreeBSD: releng/12.2/lib/libc/net/nsswitch.conf 338729 2018-09-17 18:56:=
47Z
brd $
#
group: files ldap
hosts: files dns
netgroup: compat
networks: files
passwd: files ldap
shells: files
services: compat
protocols: files
rpc: files

Best regards
Konrad Heuer

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