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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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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My exim server on cPanel rejecting too many emails, results - invalid “condition” value "no [closed]

I have a cPanel setup on my server. Apparently, a big chunk of emails is being rejected. I have disabled the graylisting and there is no email filtering on. The message says in the track delivery, ...
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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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Exim4 mail address is undeliverable

I am trying to configure Exim4 on my ubuntu 20 server. I can send emails from the server (to my gmail) but can't send emails from the server to emails within the server nor from my email to the server....
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Exim secondary server in cpanel for two accounts of office365

I had one account of office365, where I have configuration for secondary mail server via mail connector. In exim.conf, I had: hotmail_route: driver = manualroute domains = hotmail.com : outlook....
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Default entry for exim ratelimit nwildlsearch file

I want a file to control the ratelimit of messages sent from my exim4 server. This is the acl: deny authenticated = * set acl_c_msg_limit=${lookup{$authenticated_id}nwildlsearch{/etc/exim4/...
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Live check the Exim4 sender ratelimit

Is it possibile to verify the current ratelimit usage of an exim4 server? I have some limit by sender configured, and I want to check if it is far or near the limit.
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Exim4 Libsecret secret-tool or keyring

I have Exim4 running on my Ubuntu 20.10 server and have successfully got local mail and SMTP outgoing to a SmartHost working fine. Thus, I now have the host and password stored in /etc/exim4/passwd....
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1answer
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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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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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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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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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exim install on Debian Debian 4.19.146-1 (2020-09-17) uses ETC_MAILNAME instead of host name

I have inherited a Debian box with what I am told is a standard exim install. However, mail does not seem to be working. the /root/.forward file contains an external email address that root's mail ...
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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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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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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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forward email exim4

We have currently a dovecot & exim4 service running which is configured to handle virtual e-mailboxes by the virtual_transport. The only thing I would like to have is a simple feature to forward e-...
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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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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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Throttle Exim queue processing send rate

We relay email with Exim to AWS SES. I would like to queue up several thousand emails into Exim but I only want Exim to process (send out) no more than 60 emails per second out of its queue. No clue ...
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640 views

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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178 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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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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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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Is possible to force exim4 to accept fake domains?

I usually set for testing some internal mailservers(no use of external internet), with Sendmail and Postfix I have never problems. With Exim4 said my fake domain(domain.priv) is unroutable, but I can ...
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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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1answer
104 views

Unable to open file for reading: /etc/exim/domains on Centos 7 - err_ssl_protocol_error

How can I fix the issue below I saw at /var/log/messages panel crond: 2020-11-13 21:17:02 1kdgRJ-0008yG-Rv Tainted filename '/etc/exim/domains/example.com/dkim.pem' panel crond: 2020-11-13 21:17:02 ...
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66 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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141 views

Exim unable to sign DKIM keys for outgoing mail

I currently have an issue with exim, I am trying to make it so it will sign outgoing emails for specific domains with a key for DKIM (there are multiple domains that this server sends for and not all ...
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63 views

EXIM relay_to_domains if host is on the relay_from_hosts list

I have setup relay for using a hosts list & a domain list. Yet it seems my EXIM is relaying other hosts too for the relay_to_domains list, which is unwanted. Please advice if this adjustment would ...
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1answer
158 views

Configuring Exim as a mail relay on Debian using Ansible

I am trying to configure exim on multiple Debian servers to be mail relays using Ansible. I would like to use the Debian way of configuring things - using debconf. Ideally so that I just pass in the ...
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How to get mail for a non-existent EXIM subdomain?

There is a tracker for letters that come to the server in the format, for example, mail@sistemtrasker25964.domain.ru. The system has only the domain.ru domain. For the domain, A and MX are ...
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1answer
99 views

Splitting a domain's email accounts between Exim/cPanel and Office365

I have been plagued with a situation which has yielded no elegant solutions, from any support avenues. I have a domain, the email accounts on this domain are hosted on both Office365 and a cPanel VPS. ...
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1answer
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Get client IP in exim LXD container

I set up an exim server in a Debian 10 container with LXD and then created a proxy device to map the SMTP port from the host to the container: lxc config device add mycontainer myport25 proxy listen=...
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1answer
68 views

Remove IP and username from Exim mail headers

I have an Exim4 running on Debian which I use for transactional emails from my other servers protected by CloudFlare. Every transactional email sent from it has an IP address of the sender (1.2.3.4) ...
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Default Sender for Exim Smarthost Multiple domains and credentials Mailgun

The post below pretty much has the answer I need. But I need to modify the answer by @supamic so that if the domain isn't found in the exim_smarthosts file that it uses a default set of credentials. ...
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Exim4 router for mail2fax

I want all incoming mails to a specific address "fax.test@example.com" to be forwarded to faxmail program. I have created the following exim4 conf files: /etc/exim4/conf.d/transport/40_exim4-...
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1answer
148 views

Local mailbox delivery for non local recipients with exim for demo server

I have used the following router and transport with exim < 4.94 to deliver all mail non local mail to a mailbox file instead of actually sending it. This is for a demo server to test an application....
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1answer
135 views

exim configuration and AWS SES

I am trying to configure exim on a CentOS instance in EC2 to use AWS SES as a relay SMTP server. I configure it using this guide. The SES account is currently in sandbox mode, and I have verified two ...
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199 views

Exim wrongly resolve the host that authenticates via smtp, when sending outgoing mail from PHP and my server's domains?

I have a server with WHM and Cpanel in OVH Canada with a main ip +4 additional ipv4, 2 of which are assigned to their corresponding domain and 2 are unused: suppose the ips are: 144.217.55.5 (main) ...
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37 views

Exim timeouts from ebay IP addresses - unexpected disconnection - DNSBL timeouts

I'm getting lots of timeouts from ebay IP addresses, e.g. in the log file: 2020-08-25 18:57:20 unexpected disconnection while reading SMTP command from o18.m.reply1.ebay.com [167.89.100.188] D=1m3s ...
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Exim4 mainlog recycling

I'm tring to change the output format of mainlog files of Exim4 for put the timestamp like %slog-%D. Default output format The doc points to log_file_path, however it isn't clear for me where it ...
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1answer
88 views

Exim Server on port 465 does not send banner nor respond to EHLO command

I have developed an application that sends emails using my Exim server over a SSL connection. According to my default exim configuration, to send e-mails over SSL connection I need to use port 465, ...
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1answer
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Lots of exim4 notifcations due to failed sender verification

My exim4 server rejects a lot of spam emails due to failed sender verification. However, those result in lots of frozen messages, which in turn spam my postmaster inbox. Example line from exim log: ...
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exim - Tainted filename for search - sender verify defer for failed to expand - zen.spamhaus.org: No address associated with hostname

discovered today this mailserver problem, and because have not written exim myself, can't debug it X-D also: is this normal? host zen.spamhaus.org ping zen.spamhaus.org ping: zen.spamhaus.org: No ...
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699 views

Sending mail from java servlet fails authentication

Centos7, tomcat 9, Exim 4.94 Moved all my tomcat apps from centos6 to centos7 server. Tomcat version is 9 and was the same on both servers. I send email from one of the java apps. public void ...
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1answer
27 views

Dovecot can't show some messages after migration

I'm doing a migration from a shared server (old server) to AWS (new server). When I migrate all the mail, in the new server I can´t see some messages when I try to open them in roundcube. Both old and ...
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86 views

Exim4 rejecting email to one user

I have multiple domains on a server and Exim4 has been delivering mail to users for years without issues. Over the 4th of July weekend it started rejecting email to one user. This user has multiple ...
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18 views

Exim4, it's a good idea to automatically populate local_sender_blacklist based on hard bounces?

GMX in it's sender best practice says: The sender must immediately remove email addresses from their dispatch lists if hard bounces occur I'm using exim4, and with eximstats you can obtain a list of ...
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215 views

Is ed25519 well supported for the DKIM validation?

Based on the Exim4 docs I have the following script: #! /bin/bash -- ED="dkim_ed25519_$(date +'%Y%m%d')" RSA="dkim_rsa_$(date +'%Y%m%d')" ## Generate private key openssl genpkey -...

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