Questions tagged [exim]

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence.

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Why does a mail header report a different hostname from the configured in the mail server

When I send an mail to Hotmail using the SMTP server mail.example.com and then when I received it and see the original message, I can see this in the header: helo=vps.example.com; Received: from vps....
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How to change hostname in Exim greetings

currently, exim is greeting with: 220-vps.example.com ESMTP Exim 4.93 #2 Wed, 07 Oct 2020 15:02:03 -0300 I want it to be: 220-mail.example.com ESMTP Exim 4.93 #2 Wed, 07 Oct 2020 15:02:03 -0300 I ...
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Exim certificate file Permission denied

Generated a self singed cert using exim-gencert and when I run sudo update-exim4.conf I get /usr/sbin/update-exim4.conf: 35: /etc/exim4/update-exim4.conf.conf: /etc/exim4/exim.crt: Permission denied ...
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Prioritised outgoing emails using Exim

Our outgoing email queue uses Exim (on Centos) and is used both for sending bulk batches of email to clients and sending authentication keys, eg as part of the forgotten password routine. On some ...
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exim4 configuration if local account name differs from remote login

In these homeoffice days, I want to configure exim4 on my home PC to send mails via our corporate SMTP server. For local exim4 configuration, I followed the instructions from https://askubuntu.com/...
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Cant find Exim 4 'helo_try_verify' configuration setting

I'm trying to recreate the Exim GHOST vulnerability over my local network and have installed Debian 7 with Exim version 4.8. However I can't seem to find where the helo_try_verify_hosts or ...
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exim4: How to use named lists in rewrite rules?

I maintain a exim4 as a mail server for multiple domains. To allow for a correct user lookup in my MDA (kopano-dagent), I rewrite the envelope-To-field of mails received for secondary domains to use ...
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135 views

SMTP protocol synchronization error in Exim4 when connecting from Gmail

I have a Exim 4.92 server running on a Debian machine, everything works fine. Now I want to send mails from Gmail through that Exim server, since Gmail needs an STMP server for alias addresses. ...
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1k views

How to upgrade the Exim to version “4.92” on Ubuntu 18.04 server?

A critical vulnerability (CVE-2019-10149) was found in Exim mail server. It allows to execute some code on victim's server with root privileges. This vulnerability affects versions from 4.87 to 4.91. ...
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142 views

Sending an email to from VM with exim4 to VM with posfix

I have two virtual machines and both running Ubuntu server. I should be able to send emails from lab2 to lab1 using mail. lab2 is running exim4and lab1 has postfix listening on port 25. I should ...
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611 views

Multi domain mail server

I have to install a MTA on Debian server (postfix or exim). It will serve email for 3 domains. It is not a problem to receive email for multiple domains but I am not sure about sending (SMTP). There ...
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104 views

Chosing a mail service on Debian, for a specific use

I am trying to setup a mail service on a local Debian Buster/Sid. This mail service should take input mails and direct them to these locations : - if mail is for "myownlocaldomain", it must be ...
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890 views

What Should Be My hostname and FQDN to Exim4?

My EXIM4 started to display error after I perform a sudo apt upgrade, now some servers return this message: SMTP error from remote mail server after HELO mycompanyname: 504 5.5.2 : Helo command ...
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50 views

SMTP-EXIM Help- Only sending single mail at a time

I would like to understand what could be the problem as to why I am unable to send mail to more that one recipient at a time. My mail server uses exim and I have the following configuration ...
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cPanel / CentOS now showing strange symbols and exim using 99% CPU

Has anyone got any idea why this is happening? cPanel v72.0.10 CentOS 7.5 Everything is showing as symbols, even "top" in Terminal seems to display some strange symbols. Exim was using 99% of CPU ...
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1k views

Exim4 setup that allows me sending emails without becoming an open relay

So I've acquired a VPS and a domain (my_domain.com, say), and now I'd like to set up my own, exim4-based e-mail infrastructure for learning purposes. In order not to produce an open relay I need some ...
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993 views

exim sending only to specific domains

there is centos 7, it costs vestacp default settings for exim, I need to send my mail from my server only to the domains test.com and site.com, the rest of the mail from my server should be blocked ...
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How can I limit the number of mails sent from a specific email account in cpanel or WHM

I have a spam issue with an email account. Undelivered emails are being returned to the mail box. These emails were not sent from the box. Its seems someone or something is bouncing the emails off ...
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2k views

exim4 says “Warning: purging the environment” even though add/keep_environment are set

Recent versions of exim4 added add_environment and keep_environment to the config. If those are missing, exim4 sends a warning to STDERR. In my configuration, both of those variables are set to blank:...
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2answers
484 views

Cannot Start Exim Daemon on Cygwin

I've been unable to start the Exim daemon after installing it in Cygwin on Windows 10. At the end of the exim-config setup, the daemon fails with this message: Do you want to start the exim daemon ...
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1answer
551 views

Telnet host 25 - no route to host

I have basic VM (xenserver installed on dedicated machine) with cPanel on CentOs 6.8, exim 4.87 - nothing fancy. For 2 weeks I am having issue with sending e-mails - it is not global, affects about 10%...
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2k views

exim: “remote host address is the local host”

I try to set up an exim mail server and I get the error temporarily rejected RCPT : remote host address is the local host domain.com points to the local host, the MX from domain.com point to the ...
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1answer
200 views

How to locate spam php scripts

Most of the shared servers might be facing the issue of fake PHP code being injected in their sites which may lead to generation of spam mails, redirection to a different site, creation of social ...
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1answer
690 views

unable to send email. Emails are stuck in queue

I am unable to send an email from server using exim. When i try to send an email. email are stuck in queue When i try to run exim -qff commands then emails are delivered. Other wise they just stay ...
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58 views

Closing off site for external mail connections

A client of mine has a linux/cpanel based web server (VPS), which at some point in the past was also the primary mail server for the domain. It is no longer receiving mail (MX records were changed to ...
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434 views

Exim Filter to change recipient

Lets say I have this filter for user1 who doesn't exist on our network, but has an external email we want to send the emails to: if $header_to: matches "user1@domain.com" then deliver "user1@...
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304 views

What are the potential and abilities of a MTA (postfix, exim, …)?

I'm trying to learn how to set a server using Postfix, this is a very complex craft and I can't grasp yet the full potential of this tool. I would need to know if it can do these actions : John Doe ...
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1answer
54 views

Reject all Microsoft Office attachments

I have had enough of spam coming to my server with Microsoft Office attachments. No one I care about ever sends me Microsoft Office documents so I would like to reject (with a polite message) all ...
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1answer
504 views

How to change real name with exim?

When I send an email through exim, I get a From line that looks something like this: From: smith <smith@example.com> ^^^^^ How do I get exim to change the part marked above? I can ...
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2answers
2k views

Vestacp - exim mail forward goes to spam in gmail

I dont undestand why mail what forward mail re-send like spam. On server I use exim and VESTA Control panel. Here is source of the mail: Delivered-To: emailforforward@gmail.com Received: by 10.107....
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1answer
367 views

Exim: how to log email body

How can I log the body of an email in Exim? My specific need is to trace why an email from user www-data is being generated every so often - I can see the record of its delivery in the Exim logs, but ...
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3k views

How to send email from the command line with specified sender on Debian Wheezy with Exim4?

I have search for ages trying to find out how to do this: How can I send email from the command line and specify the sender address on a box with Debian 7.8 and Exim4? This does not work: mail -s "...
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10k views

Exim: How to send email (with headers) from command line?

I can use echo "My Mail content" | exim my@email.com to send an email, but it does not contain a subject for the message How can I send an email with subject, "From" and "Reply-To" Headers from the ...
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1answer
2k views

How do I block exim from sending spam?

My exim 4 is sending spam from a random-name@mydomain.com address. How is this possible and how do I allow only www-data@localhost to send and to only deliver from myname@mydomain.com to myname@gmail....
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1answer
194 views

How to forward emails leaving the original intact

I have a requirement to "copy" all emails going to person A's email to person B leaving the original intact. If I forward the emails, they are no longer in person A's folder. Any ideas how to do ...
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1answer
2k views

How to disable bounce emails in exim?

How to disable bounce emails in exim ? I don't want the server to send a bounce message when the email not exists.
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1answer
189 views

Slow SMTP connections to Google memory overload ( Controlling Exim timeouts)

Our organization has several servers that generate and send out lots of emails (we're not spammers, it's legit email to users who have asked for it). Exim on these machines is configured to only try ...
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1answer
8k views

How to find out who (what process) is starting another process?

So no matter how many times I kill exim4 it immediately comes back to life. I have stopped the service and everything but something is bringing it back to life and using it for spamming. How do I ...
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531 views

Enable DKIM header in sent emails Exim or CPanel

I have enabled DKIM in WHM/CPanel/exim. DNS has valid DKIM keys for "default" selector. Everything seems ok. I downloaded email from gmail and looked in header and it misses DKIM header. /var/cpanel/...
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427 views

Exim is ignoring my ACL definitions for blacklists

As I am running several free sites which are CMS - based spammers are massivly attacking me. So I decided to set up my exim4 - installation for blacklisting domains. Exim seems not to care about any ...
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1answer
103 views

Postfix corrupting Japanese characters

I'm having a problem with certain Japanese characters being corrupted when sent by my MTA, Postfix. I've done some trial and error sending the same message from approx 7 different servers running ...
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2answers
9k views

AjentiV Mail Server Setup

AjentiV recently added support for mail server/ mail forward. I have been trying to get mail working on my domain but I have never set up courier or exim. I was wondering if anyone has instructions on ...
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1k views

Exim fails to send Gitlab message with “no recipient addresses” error

I am setting up a Gitlab server and am finishing the installation. While everything with Gitlab runs fine, the verification of email addresses fails. I am getting the following error: Date: Wed, 08 ...
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1answer
1k views

Hide exim4 version from email headers

I've setup exim4 on a ubuntu 12.04 server. When an email is sent, the current "Received" header has the following content: Received: from user by example.com with local (Exim 4.76) (envelope-from &...
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1k views

Is it possible to limit number of emails per user per period on Exim?

I'm wondering if it's possible to limit number of emails allowed from a specific email account on Exim (maybe set a 20 email per hour limit for ab@test.com). I'd like to see if I can use this as a ...
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2answers
601 views

With exim4 and notmuch, should .Archive be a file or a folder?

I'm following The Hacker's Replacement for Gmail, using (as suggested) Debian 7 on a VPS. If I configure it for "normal" IMAP I can successfully receive email into INBOX. So I'm doing something right....
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1k views

Email through php and mail command not sending

I have two servers as to which one is hosting my company's email. The other one hosts a website where i have php scripts that sends mail to my mail server. When ever i send an email i get 550-...
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2answers
8k views

How to find out what port is Exim 4 using for SMTP?

I'm trying to debug a problem with email sending on my home machine, possibly a router related problem. This is on Debian squeeze with Exim 4.72-6+squeeze3 (the default Exim 4 Debian package for this ...
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1answer
956 views

exim4 on Debian: Forward all local mail

My goal is to forward all local mail on my servers to a specific mail address. I have set up Exim4 in a satellite configuration on Debian Wheezy, however, exim4 ignores wildcards in /etc/aliases: *: ...
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2answers
4k views

Postfix SSL + Dovecot IMAPS (SSL) + RoundCube

A couple of weeks ago, I configured my webserver to be able to send emails (e.g. registration emails for my website etc.) I used exim4 in Debian, which worked flawlessly. Now, the need has arisen to ...