Questions tagged [exim]
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on *nix. It is licensed under the GNU GPL, so is Free software.
144
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How can I make Exim mailserver doing faster retry after temporary DNS failure
We are running Exim4 mailserver version 4.90.1 on Ubuntu Server 18.04.1 LTS which is in DMZ and sends out emails from LAN out to the internet.
Sometimes (maybe a couple of mails per 24h of thousands ...
- 31
1
vote
1
answer
34
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Remote SMTP traffic appears to come from LXC Host to container
Summary: I have a mail server (exim 4, Debian 10) in an LXC container. The host is running Debian 11. Since yesterday evening spam traffic has been coming in that appears to come from the LXC Host. ...
- 13
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0
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28
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Exim error: no usable sender address
I have installed exim 4 in Ubuntu. I am trying to send an email to myself to test if I have configured it correctly. When I check the log file, I see the following error:
2023-07-17 13:45:28 1qLMfF-...
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169
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Fixing a tainted statement in EXIM
I'm trying to understand and fix at least one tainted statement within exim and I don't understand how it is supposed to be quoted.
The line I believe is causing the grief is:
domainlist local_domains ...
1
vote
1
answer
73
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Several times a day, exim4 gets a connection that tries 100 different RCPT commands
I have bad actors attempting to figure out valid user names on my exim4 server. Many times a day, I'll get a connection that tries 100 RCPT commands with random-ish account names. They have the ...
- 303
2
votes
1
answer
206
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Can lines be wrapped in /etc/aliases?
I am using /etc/aliases to direct group emails to multiple accounts, for example:
postmaster: john
abuse: john
www: paul
team: john, paul, ringo, george
One of the lines is getting quite long due to ...
- 152
1
vote
2
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622
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Send email via exim4 using port 587
I have configured exim4 and am trying to send out emails using port 587 and the email is being sent but on the mail server it show connecting at port 25.
I am using:
echo "Subject:Hello All" ...
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1
answer
764
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How to fix tainted domain in exim router
I'm facing issue with tainted data from files. I even tried $domain_data instead of $domain, still not able to fix tainted data
Error log main.log
2022-09-06 12:55:31 1oVdjO-000WZa-39 => info <...
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1
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1
answer
739
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How is the unattended-upgrades notification email built?
I defined unattended-upgrade configuration in /etc/apt/apt.conf.d/50unattended-upgrades file. It works fine, I receive an email notification when an upgrade is applied.
The notificatoin email shows ...
- 261
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1
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625
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debian buster exim4 hostname --fqdn did not return a fully qualified name
I'm running debian buster, and let exim4 deliver for localhost mail from apt-listchanges. this works but I get the error
alex@Taomon:~$ LANG=C
alex@Taomon:~$ systemctl status exim4
* exim4.service - ...
- 284
2
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1
answer
126
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Exim4 segfault using AUTH LOGIN
My exim4 vis causing a segfault error on sending an email message whenever I use AUTH LOGIN authentication. However, sending the email using AUTH PLAIN works like a charm. Both auth methods connect to ...
- 379
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1
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153
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Why does exim4 accept my message although I tell it shouldn't (via require_files)?
I use exim for virtual domains. I created the following router:
domains_virtual:
debug_print = "R: domains_virtual for $local_part@$domain"
driver = accept
domains = /etc/exim4/...
- 168
1
vote
2
answers
1k
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How can I un-taint my DKIM config after exim upgrade?
Debian upgrade to exim4 4.94 brings new headache: tainted variables.
I have several virtual domains handled by my exim and hence I use variable expansion to obtain DKIM domain, selector and key. In my ...
- 168
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1
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55
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claws mail how to get system mails over exim4
OS = debian stretch mate desktop with
claws-mail --version
Claws Mail version 3.14.1
Is there a way to create an account for system mails so I can get them in claws-mail (like for apt-listchanges) ...
- 284
2
votes
1
answer
387
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Difference between oneshot systemd unit and root command line?
My setup includes a script that send a mail to a local user via the exim command line. This script is called as root (Reality is of course more complicated, but this seems to be a minimal working ...
- 239
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2
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1k
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exim4-base removal
Why does Debian Buster ship with the exim4-base package installed by default? Can I remove it from my system?
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1
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408
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Why does exim use openssl from system instead of compiled version?
I try to upgrade from exim 4.84 to exim 4.94
My Local/Makefile for exim contains this:
SUPPORT_TLS=yes
TLS_LIBS=-L/MYPATH/lib/ -lssl -lcrypto -ldl
TLS_INCLUDE=-I/MYPATH/include/openssl/
USE_OPENSSL=...
- 335
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3
answers
2k
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How can I disable old TLS versions in exim?
I'm running an Exim MTA which only receives emails from a few other systems under my control. All these systems happily negotiate TLSv1.2/TLSv1.3 with my MTA. I would like to disable support for TLSv1....
- 2,090
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1
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102
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Where is the source code of exim4-4.89-2+deb9u4?
I would like to know where to find the source code of exim4, with specific version and revision, 4.89-2+deb9u4.
I have executed apt-get source but got an error message:
apt-get source exim4=4.89-2+...
- 125
-1
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2
answers
2k
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Help in debugging Exim4 SMTP AUTH 535 Incorrect authentication data
I followed this guide to set up TLS and auth. I have a username (usr) and a password (pwd) set in /etc/exim4/passwd and the files has the right permissions:
-rw-r----- 1 root Debian-exim 51 ...
1
vote
1
answer
155
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Exim ignores local_sender_retain
I need to change the Return-Path in emails that are sent by the PHP's mail() function (via phpmailer, but that should make no difference).
Locally, exim is running and messes up the headers, so I ...
- 335
4
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1
answer
3k
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Complete setup of Exim4 as SMTP to reach most inboxes as possible (correct configuration)
I have over the last days tried to setup Exim4 to handle all mails sent from a web application.
It seems to be working, but I haven't found out how to hardcode the hostname which will be sent with ...
- 1,747
1
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1
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367
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Exim4 - set EHLO to mail from domain
How to set EHLO to the domain in the from/envelope-from domain?
The SMTP server will send mails from different domains like @mydomain1.com, @mydomain2.com etc
How to set the EHLO to the specifik ...
- 1,747
0
votes
1
answer
495
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Setup exim4 to send mails from web application
I want to setup my own SMTP server (only mail send) to handle all notification mails etc from my web application
dpkg-reconfigure exim4-config
Type: internet site
FQDN: ...
- 1,747
0
votes
1
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218
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how to block an email sent using a script in EXIM
I have a CentOS cPanel server and I host about 30 customers in this server.
Sometimes one of these accounts using a CMS get hacked, and the hacker is able to send out spam email using a CMS php ...
- 334
0
votes
1
answer
209
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Correct PCRE in Exim Custom Filter File
My Server:
- CentOS 7.6
- Exim 4.91-5
What I am looking to achieve
Using Exim I want to silently discard incoming emails from a user set list of wildcard matches. SpamAssassin and other tools are not ...
- 119
2
votes
2
answers
855
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exim rewrite envelope-from for one router only
You can headers_add in a router, but I can see no way to change the SMTP From aka Envelope-From within a router or indeed anywhere using the same conditions the router triggers on.
I need to emulate ...
- 21
1
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2
answers
1k
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Exim4 and root aliases? Send a copy to root?
When setting up my raspberry pi to use local email (using exim4 as the default MTA on Raspbian/Debian), and while doing the debconf initial configuration, I was asked whether to forward root's email ...
- 2,231
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2
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4k
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exim4 not using /etc/aliases
Some processes on my server send mail to various system accounts which all goes to root on the local machine. I want the root account to be an alias for my (external) email address. I'm using exim4 ...
- 182
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2
answers
189
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Exim - What's the mark of EOL in exigrep output?
I have exigrep output like this.
2019-02-02 17:03:00 1gpxky-0005ky-Mk <= [email protected] U=XXXXX P=local S=14529 [email protected] T="XXXXXXXXX" for [email protected]
2019-02-...
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2
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1
answer
1k
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Exim does not use /etc/hosts [closed]
I have installed exim4, and my /etc/hosts file looks like this:
127.0.0.1 localhost
127.0.1.1 mycomputer
192.168.100.5 rpi.mydomain.com
When I run exim -bt [email protected] to test ...
- 2,556
0
votes
1
answer
472
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Exim and Spam Filtering
for years I've been using Exim as MTA. I had three strategies to prevent Spam. First of all blacklists. The second was to delay the mail delivery and the third was SpamAssassin.
But this year, more ...
- 81
2
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0
answers
360
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Bypass some domains in exim $message_body if condition
I have a custom exim email filter, sample of which is shown below.
Just trying to work out how to bypass the "$message_body contains" part of my filter for specific sender domain names such as ".com" ...
- 21
1
vote
3
answers
6k
views
Mailutils produces error can not send message
On my debian server I got exim4 installed. I know, that the MTA works because I can send mails with php and it uses the account configured in /etc/exim4/passwd.client
However when I try on command ...
- 340
2
votes
1
answer
6k
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How do I correctly configure exim4 on Debian so I can use `sendmail -t` to send mail via my office365 account?
I'm using Debian stretch (9.4).
I have an office365 account.
Using Evolution, I can successfully download mail via POP3, and also send mail using the Evolution "Sending E-mail" preferences:
Server: ...
- 705
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1
answer
373
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Need exim >=4.86 on Ubuntu 14.04 LTS
I need to update exim on one of my servers to at least version 4.86 to use it with rspamd. But the latest version provided by the OS is 4.82.
Is there any comfortable way to get the latest version, ...
- 81
1
vote
1
answer
256
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Custom Error messages in Exim
Can anyone know how to change default error messages generated by exim for Unrouteable address or quota exceeded?
I found this "Customizing error messages" , but I don't know how to use it...
...
7
votes
2
answers
4k
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Mail delivery notices are correctly delivered, actual mail isn't
I have configured the Debian workstations at our department to use Exim 4 for mail delivery. Also I have created an alias such that I receive all the root emails. The Exim 4 configuration (via Ansible ...
- 2,692
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1
answer
803
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random “NULL character(s) present” error in exim
Sometimes we are getting NULL character(s) present errors on incoming mail. It looks like this:
2018-03-01 12:26:51.244 [22933] SMTP syntax error in "RCPT TO:" H=mail-wm0-f56.google.com [74.125.82.56]...
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3
votes
2
answers
8k
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How do I create a local mail account?
I want to create a local mail account suitable for apt-listchanges. In other words, local services will send mail to local@localhost (?) and I should be able to check that mailbox using a regular mail ...
- 2,987
0
votes
1
answer
226
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Configure MTA in Debian Jessie (8)
I try to Configure MTA for the Debian Jessie (8) and followed the procedure,
A. Exim4 is installed by default on Debian installations, but not configured.
Execute this command:
dpkg-reconfigure ...
- 233
2
votes
1
answer
860
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Dealing with non-standard SMTP ports with sendmail -t
On my development machine, I have a special kind of SMTP server running on non-standard port which is used for testing purposes.
On my virtual machine I'm trying to push a message to that SMTP server ...
- 123
1
vote
1
answer
563
views
bypass some domains in exim if condition
I have this code in /etc/cpanel_exim_system_filter to be able to search and filter spammers in mail body and header. I want to add some domains exclude this rule for example *@gmail.com, *@mail.com ...
- 304
3
votes
1
answer
7k
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IPv6 socket creation failed: Address family not supported by protocol
OS: GNU/Linux Debian 9.2 64-bit
I disabled IPv6 on one of my servers.
And now I'm getting this in mail:
exim paniclog
...
IPv6 socket creation failed: Address family not supported by protocol
How ...
- 27.8k
4
votes
3
answers
9k
views
Redirect all incoming email to a Python script
I'd like to manage all email incoming to *@example.com with a Python script running on my server, which will do various jobs.
I've already done a DNS MX record for example.com, directing it my server:...
- 2,351
1
vote
0
answers
65
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Cause Code Not Implemented for Heirloom-Mailx
I am attempting to send an message with an attachment from my RP3 to my phone, which uses Sprint. I have Exim4 setup as a MTA and the Heirloom-MailX configured so I can send an attachment. I am using ...
- 111
1
vote
1
answer
877
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exim4 & CHECK_RCPT_LOCAL_ACL_FILE
I am running a ubuntu server (I got convinced and there is not one day that I do not regret it!) which runs Exim. Deep within the split configuration's ACL files, I found this:
# This hook allows ...
2
votes
2
answers
5k
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Exim4: How to block a list of recipient addresses
To catch mail send to any recipient I have added the following router directive in my exim4 configuration:
local_catchall:
debug_print = "R: catchall for $local_part@$domain"
driver = redirect
...
- 45
1
vote
1
answer
117
views
How to process each interface differently on a mail server
I am running number of web servers on google cloud platform. Google cloud bans port 25 to prevent spam, so to receive mails I use different server which forwards all mail to a google server on a ...
0
votes
0
answers
757
views
Exim: Stop bounced messages being sent back to sender?
We have a server that sends out emails to a list of clients. Sometimes those emails are not delivered and thus we get a bounced message that is sent back to the sender. We don't want the server to ...
- 19