Public bug reported:
Dear esteemed Ubuntu maintainers,
Please know that on:
ubuntu 24.04 Exim version 4.97 #2 built 21-Mar-2025 14:14:44 (after
upgrade from 22.04)
I see (selected text below) in my /var/log/exim4 reject log and my
emails are not delivered :( :(
2025-03-07 15:22:54 1tqh1q-00C5uz-Hu H=vc8.csde.washington.edu [10.155.60.40]
X=TLS1.3:ECDHE_X25519__ECDSA_SECP384R1_SHA384__AES_256_GCM:25
6 CV=no F=<csd...@vc8.csde.washington.edu> rejected after DATA: maximum allowed
line length is 998 octets, got 2040
Envelope-from: <csd...@vc8.csde.washington.edu>
I Message-Id: <E1tnt4l-00EbZL-8h@ika>
2025-02-28 08:08:18 1to2uQ-00Ft5p-3O H=grill-01.csde.washington.edu
[10.155.60.131] F=<ad...@grill.csde.washington.edu> rejected after DATA
: maximum allowed line length is 998 octets, got 1058
Content-Transfer-Encoding: base64
2025-02-13 18:56:07 1tils7-0093HN-8f H=vc8.csde.washington.edu [10.155.60.40]
X=TLS1.3:ECDHE_X25519__ECDSA_SECP384R1_SHA384__AES_256_GCM:25
6 CV=no F=<csd...@vc8.csde.washington.edu> rejected after DATA: maximum allowed
line length is 998 octets, got 2020
* But I configured the exim4 transport to allow 1G, see:
root@ika:/etc/exim4# grep -rn message_linelength_limit /etc/exim4/conf.d/*
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp_smarthost:54:
message_linelength_limit = 1G
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp:64:
message_linelength_limit = 1G
* EXIM VERSION:
root@ika:/etc/exim4# exim4 --version
Exim version 4.97 #2 built 21-Mar-2025 14:14:44
Copyright (c) University of Cambridge, 1995 - 2018
(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2022
Berkeley DB: Berkeley DB 5.3.28: (September 9, 2013)
Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages TLS_resume DANE
DKIM DNSSEC Event I18N OCSP PIPECONNECT PRDR Queue_Ramp SOCKS SRS TCP_Fast_Open
Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch cdb dbm dbmjz
dbmnz dnsdb dsearch nis nis0 passwd
Authenticators: cram_md5 external plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp
Fixed never_users: 0
Configure owner: 0:0
Size of off_t: 8
Configuration file search path is
/etc/exim4/exim4.conf:/var/lib/exim4/config.autogenerated
Configuration file is /var/lib/exim4/config.autogenerated
root@ika:/etc/exim4#
* Other needful things:
root@ika:/etc/exim4# lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04.2 LTS
Release: 24.04
root@ika:/etc/exim4# apt-cache policy exim4
exim4:
Installed: (none)
Candidate: 4.97-4ubuntu4.3
Version table:
4.97-4ubuntu4.3 500
500 http://us.archive.ubuntu.com/ubuntu noble-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages
4.97-4ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu noble/main amd64 Packages
root@ika:/etc/exim4# apt-cache policy exim4-base
exim4-base:
Installed: 4.97-4ubuntu4.3
Candidate: 4.97-4ubuntu4.3
Version table:
*** 4.97-4ubuntu4.3 500
500 http://us.archive.ubuntu.com/ubuntu noble-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages
100 /var/lib/dpkg/status
4.97-4ubuntu4 500
500 http://us.archive.ubuntu.com/ubuntu noble/main amd64 Packages
root@ika:/etc/exim4#
Please help - I would strongly prefer those mails to be delivered
Is this a bug? IDK. The internet thinks that it might be fixed in version
_____________________________________
UPDATE: I see there are two places that the checks happen for line
length..... see:
root@ika:/var/log/exim4# view rejectlog
root@ika:/var/log/exim4# grep -rn linelength /etc/exim4/conf.d/*
/etc/exim4/conf.d/acl/40_exim4-config_check_data:16: condition = ${if >
{$max_received_linelength}{998}}
/etc/exim4/conf.d/acl/40_exim4-config_check_data:18: got
$max_received_linelength
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp_smarthost:54:
message_linelength_limit = 1G
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp:64:
message_linelength_limit = 1G
root@ika:/var/log/exim4#
There is also a directive that can be used called:
IGNORE_SMTP_LINE_LENGTH_LIMIT
maybe this will help someone else.
Perhaps this is a user config issue and not a bug :)
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: exim4 (not installed)
ProcVersionSignature: Ubuntu 6.8.0-58.60-generic 6.8.12
Uname: Linux 6.8.0-58-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: pass
Date: Tue Apr 29 13:23:06 2025
InstallationDate: Installed on 2022-08-28 (975 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: exim4
UpgradeStatus: Upgraded to noble on 2025-04-14 (15 days ago)
** Affects: exim4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2109641
Title:
exim4 on 24.04 ignores message_linelength_limit
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