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Questions tagged [exim]

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

1,102 questions
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Score of 1
0 answers
50 views

I'm working with Exim version 4.97 in ubuntu server. I have the splitted file configuration and I want to be sure that SMTP Authentication is available only for SMTPS connections. How can I do it? ...
Score of 0
1 answer
87 views

I have some issue with DKIM signature of my EXIM4 server. For some domains it works for others it doesn't work and I want to start checking what is wrong. Is there any way to get the output message in ...
Score of 8
1 answer
807 views

I want to obtain a valid TLS certificate for an SMTP (MX) server, but I am unsure which hostname should be included in the certificate's CN/SAN. The MX setup uses a CNAME in order to serve mail for ...
Score of 0
1 answer
711 views

I have certbot that keep a valid certificate and key in its folder /etc/letsencrypt/archive/ The cert is public (644) and key is restricted to root (600). I'm wondering how can I let exim read as TLS ...
Score of 1
1 answer
201 views

I have an Exim4 server on Ubuntu24 server. This mx has a mysql connection to get list of mailboxes and redirects to serve, in case of redirect I need SRS to avoid SPF failure on redirect. To enable ...
Score of 0
1 answer
117 views

I just update my server to ubuntu 24.04 but fail2ban seems to not work, only sshd seems to be monitored. For example my server has exim4 and it is completely ignored. I tried to purge fail2ban ...
Score of 0
1 answer
171 views

I made a release update of my server and unfortunately it has an exim4 instance and now it has been upgrade to v.4.97 It seems this version introduced a tainted data check and for some reason all my ...
Score of 4
1 answer
295 views

I’m testing outbound deliverability from a Postfix server. When I send email through authenticated SMTP, it lands in the recipient inbox (SPF, DKIM, and DMARC all pass). When I send using PHP’s built-...
Score of 1
1 answer
1285 views

Not sure when this has started happening, as it's an intermittent issue and it seems it has only recently started getting to the point where exim is notifying me of email being delayed over 24 hours. ...
Score of 1
2 answers
639 views

I upgraded my server as Debian Buster -> Bullseyes -> Bookworm, and now exim4 & dovecot won't deliver emails to my mail boxes. It seems to be related to the following line in /var/log/exim4/...
Score of 0
1 answer
125 views

I would like to redirect emails with the subject 'Your Parcel has Arrived.' to a local email alias [email protected]. To do this I have created the following router: redirect_packages: ...
Score of 0
1 answer
213 views

I am monitoring a Paragon Insights server (Healthbot), Ubuntu system with kubernets environment, one of the containers called Alert has installed in this the Exim4 tool as MTA to send email ...
Score of 0
0 answers
81 views

I have a problem, that I cannot get solved for days. When I use name and password, I can send a mail. I see in debug output of saslauthd: response: OK But when I use the GSSAPI method (that works for ...
Score of 0
1 answer
213 views

I'm trying to set up mta-sts. According to both mxtoolbox and mailhardener.com with full success (domain is dmatthews.org). But it does not actually work. I know this because I also set up the ...
Score of 0
1 answer
392 views

I'm using exim4 in ubuntu server, with a splitted file configuration. This server works as a normal internet smtp server, but for some specific recipients addresses (es. regex rule) I need to forward ...

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