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Questions tagged [exim]

Exim is a sendmail-compatible Mail Transfer Agent, licensed under the GPL, designed for Unix-like operating systems.

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How to defer an Outgoing Mail in exim for a particular user?

I want a exim or whatever setting we can do to make a outgoing message in a queue. So the user will be able to send message but the message will not be deliver and be in a queue.
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2 answers
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Getting Debian to send email to a real address

I'm running Debian on an old computer on my home network to do stuff like netatalk, dlna,... I have a number of programmes I've written myself that can send e-mail using the credentials for my regular ...
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1 vote
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Exim Smarthost setup works in starttls but not in smtps

I have setup my exim4 as a local mta with smarthost delivery (debian 10 vm) following this guide: Exim on DebianWiki If my smarthost is expecting a ssl connection (smtp over ssl) it does not work. ...
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spamhaus.org is blocking our IP

spamhaus.org is blocking our IP because we send mail using multiples domain names from a single IP. The message is A device (computer, server, mobile phone, etc), or an app on a device that is using ...
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1 answer
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Mail is not sent via php mail() on CentOS7 DirecAdmin Exim php fcgi

I spent the whole day trying to fix this problem, so I decided to share. Maybe it will save someone time) Problem: Mail is not sent via php mail(); The Exim log shows nothing. System: CentOS7 ...
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How can I understand if my MX is changing the message envelope?

I have an exim4 server that forwards all input emails to a gmail account. Gmail is refusing some valid messages with this error: SMTP error from remote mail server after end of data: 550-5.7.1 Our ...
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How do I add the file location in data of exim

catchall: driver = redirect domains = lsearch;/etc/userdomains address_data = \ "router=$router_name \ redirect=${quote:${lookup \ {\N*\N} \ ...
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1 vote
1 answer
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Updated EXIM4, now not using TLS due to validation failure

I have a home server and updated the system drive to an SSD as it had been on a combination of USB and HDD for /home and /var. Because the USB was on a previous version of Debian I have done a fresh ...
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2 answers
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How do I forward all invalid incoming mails in exim

I have to all my invalid incoming to new addresss I have a route like this. virtual_aliases: driver = redirect allow_defer allow_fail domains = lsearch;/etc/userdomains user = "${...
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How to configure EXIM to check SPF record for incoming emails and add 'Received SPF' header to the incoming emails?

I'm playing with Exim and created a mail server that can accept and send emails alright. Now, I want to enable SPF checking for every incoming email so that a Received SPF header is added to these ...
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Exim forwarding for a non-existent domain

We would like to use Exim to receive e-mail from an Exchange server and then forward it on to another system (journal archiving). We're using a non-publicly-routable domain of smtparchive.local and I'...
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Email forwarding from exim on debian

Do it looks like Debian (10) out of the box comes with exim? mini31 # apt list --installed | grep exim WARNING: apt does not have a stable CLI interface. Use with caution in scripts. exim4-base/...
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Error setting up SMTP via Exim4

I just started at my current role and I'm the only IT guy... I have a server that is used to send emails to a local smarthost but they just switched to using Office 365 and it "never worked" ...
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-2 votes
1 answer
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How to enter "special" characters in the password file?

What is the range of characters allowed in the password field in the password.client file in Exim4? My password has the :, ! and . characters. Are these permitted as is? If not, how do I encode them? ...
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1 vote
2 answers
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How to block spoofed mail from *.host.com

I'm currently running a centOS server with directadmin and custombuild. I keep getting spoofed phishing mails with spoofed from addresses that have SPF setup properly. Spamassassin gives it a score 1....
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Limit quota for emails received by sender in Exim

I'm using Exim to receive emails via the internet, it happens that some external systems end up sending about 3K emails in an hour to a specific recipient. Is it possible to configure Exim to display ...
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Exim4 - prevent unauthorized users sending emails

I am having some trouble securing my MX (Exim). At the moment anyone who telnets to my mail server on port 25 is able to just send an email. I am trying to figure out how to allow outbound traffic ...
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exim interface setting does not work

we have a exim server with two IP's. We create a script to change the interface for sending mails. We add the second interface settings on remote_smtp section. When we check the email sent, the ...
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1 answer
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Is it possible to trigger a shell script on incoming emails, can it be done without services like dovecot, postix, etc? [closed]

This question more is for learning purpose. I'm exploring ways to develop a small email server (in + out). I have a domain that points to my server as well as mx records and all that stuff... I also ...
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External Incoming Email Warning Message in EXIM

How to Add External Incoming Email Warning Message in EXIM configuration. Example:- This email originated from outside of the organization. Do not click links or open attachments unless you recognize ...
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1 vote
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Exim Unable to Read DKIM Key

Exim is spitting out (what looks like) a privilege error: # tail -n1 /var/log/exim/paniclog 2021-11-15 16:38:35.955 [682275] 1mme43-002rUN-QV unable to open file for reading: /etc/opendkim/keys/...
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1 answer
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Exim4 client rejecting TLS certificate

I'm having a problem with Exim4 and the TLS certificates, when I try a test connection using gnutls-cli I get this error: Processed 128 CA certificate(s). Resolving 'mail.reformaspaco.es:25'... ...
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1 answer
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Exim established many connections to strange ips

I installed VestaCP and used their mail server for my domain mails. But when I run netstat on my server,it shows some strange connections. There are no problems with my mail server until now, I just ...
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Exim catch_all_outgoing not working? redirect all outgoing emails to single one

I'm researching around to see how I can configure Exim to reroute all outgoing emails to a single email address (possibly external), to be used on a development server when during tests I don't want ...
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EXIM limit e-mail account

is it possible, to limit e-mail accounts, which can only send e-mail from webmail, and which can send from webmail and can connect to smtp server from outside? Thanks for your help. Pter
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How to prevent email forwarded by exim from being seen as spam

I have recently started to look after a mail system where users can host their email with a web mail front end. One of the features provided is a function to set up forwarding. The problem I am ...
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0 votes
1 answer
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Sievie for outgoing mail - dovecot

I need to make a filter for outgoing mail. To copy messages if "to" contains the given e-mail address.I have: # rule:[Copy to slack] if address :contains "to" "test@example....
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Exim4/Dovecot Error: User@domain.tld is undeliverable: Unrouteable address

Seeking some assistance with the above error. Just configured Exim4/Dovecot mail server on Debian 10 buster, but having issue receiving mail. It worked for some time during POC inhouse and now it's ...
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Logging special error messages to extra file or DB in exim

I am running exim to send emails for my web application. Some users I am sending emails to have exceeded their quote with their mail provider and I am getting 452 error messages. I would like to ...
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1 answer
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Multipart text/html email from Invision Community not parsing correctly [closed]

First of all, yes I have contacted Invision Community support. Yes, I am a paying user with an active license. We went back and forth for several hours and all they have to say is there's nothing ...
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2 votes
1 answer
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Can you help me understand this EXIM Log?

I see this type of log commonly, 2021-06-25 08:00:06 1rpTwT-03DnAE-9G Sender identification U=redacted D=redacted.tld S=redacted@redacted.tld I'm using resources such as https://www.exim.org/exim-...
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E-mail servers keep being blacklisted by Spamhaus

We are running a (webbased) application that is being used by many companies. This application generates large volumes of e-mail, almost all of them have a PDF attachment. These are e-mails the users ...
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DKIM with Exim4 on Debian "Buster"

Can anybody confirm please that in order to get DKIM working the exim4-lite package still has to be replaced with exim4-heavy? If so, what is the correct sequence? Something like apt-get purge exim4-...
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1 answer
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Unable to turn email forwarding off with /etc/aliases file

I was testing forwarding to an external account with this in /etc/aliases: some_user: some_user,me@example.com The email was going to the external address but not to the internal. So I removed the ...
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1 answer
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Is it possible to determine the mailserver software (MTA) used based on a domain?

Given the domain from the MX record, is it possible to get the name of the mailserver software (MTA) used on this server? Example MX record for gmail.com returns (among others) gmail-smtp-in.l.google....
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1 vote
1 answer
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Exim: Accept suffix aliases as FROM address in ACL

I am using exim for outgoing mails. For SMTP authenticated users, I have already added several ACLs and want to add another one allowing suffix aliases. Suffix aliases are email addresses such as &...
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1 vote
0 answers
38 views

Exim sending from multiple ip's balance by number of sent mails

I have an exim mail server with 5 IP addresses. I have setup it to send mails using the 5 IPs. I have followed this link: Exim4 configuration to use several external ip for mail sending Now I use the ...
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1 vote
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PHP mail function on Google Cloud Compute Engine?

I have a php website hosted on Google Cloud Compute Engine. I also have a paid Google Workspace account for my emails, etc. I would like to use the mail function in php to receive emails from my ...
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0 votes
1 answer
336 views

How to forward email to GMAIL using EXIM4

I have a new exim4 server and I need to forward some addresses to a gmail address. support@myeximdomain.com --> mysupport@gmail.com I have created the router with driver = redirect and everything ...
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Send Monit E-Mails via Exim

I installed monit on an Ubuntu 18.04 server and I would like to configure it to send e-mails to my personal e-mail address. I heard that I can send them via the installed exim. However, it does not ...
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1 answer
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Dovecot submission protocol keeps getting turned back on after Debian upgrade

I have dovecot imap server and exim4 running on Debian Buster. I am using exim4 for smtp, but at the Debian upgrade before last (early Jan 2021), Debian arbitrarily turned on submission in dovecot by ...
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1 answer
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Can mailings be sped up by using multiple connections to SMTP servers?

We use a mail server that runs Exim to send mailings to our clients. Sendblaster is used to connect to the server and send the emails to a list of clients. Currently we use two instances of ...
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0 votes
2 answers
357 views

Exim: Can there be multiple authenticators in the "Begin Authenticators" Section, one for each smtp relay?

My exim relays all its incoming email to third-party smtp relays. They use smtp authentication (username/password). It seems I can only define ONE username/password in the begin authenticators section ...
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2 votes
0 answers
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TLS Problems when changing providers relay host

Good Evening, first time posting. This forum and it has helped me many many times. I was looking to for some advice / views on a problem I’m having. The server is relatively old, Debian 6 to be exact ...
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1 answer
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A TLS fatal alert has been received with exim4 in debian 9

I am trying to configure my server to send mail and I receive an "TLS fatal alert" error every time I try to send mail. I have followed the steps indicated in this post related to my problem ...
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0 votes
1 answer
259 views

Fix broken Message-ID field in Exim ACL

Strange enough, some of my mail domain external sender used to send us messages where Message-ID field set to $Null like this: ... Date: Tue, 1 Dec 2020 07:16:22 +0000 Message-ID: $Null ...
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  • 704
0 votes
2 answers
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How to make exim4 deny other ips from sending mail using the server?

How to make exim4 so that it only allow smtp connection to send mail from 127.0.0.1 only. but also recieve mail at the same time. I am confused with this because if I change dc_local_interfaces to 127....
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2 votes
0 answers
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Exim: Redirect mails without spooling

I am running a personal mail server using exim that only forwards mails (and also runs a few mailman mailing lists). Unfortunately, my server’s spam protection is worse than that of the mail provider ...
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0 votes
1 answer
109 views

Making Exim use different MX servers in a random fashion

When some (large) email providers have more than one MX, it happens sometimes that one MX refuses SMTP connection incoming from my host while another one accepts it (for reasons unknown to me). My ...
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0 votes
1 answer
103 views

cannot connect to another email server to send email

My GCP server is running OK for more than 500 days, but after reboot, my server cannot connect to another smtp server to send out emails. [root@instance-02 ]# !1010 tail -1000 /var/log/exim/mainlog|...
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