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

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17
votes
9answers
2k views

Gmail and Live are making all messages from my server as spam

I'm getting very weird results here. When my server sends an email to my @hotmail or @gmail account, it's marked as spam. When I send email through my server from Outlook to @hotmail, it doesn't get ...
14
votes
5answers
21k views

How do I change Exim4's primary_hostname on a Debian box?

Some remote SMTP server I am trying to deliver mail to refuses to accept the HELO from my server: 504 5.5.2 <localhost>: Helo command rejected: need fully-qualified hostname Apparently, my ...
12
votes
5answers
7k views

What host name should the SSL certificate for an SMTP server contain?

I have a server foo.example.com at 192.0.2.1 It runs exim to receive e-mail for several of my domains. My domains each have an MX record pointing to mx.example.com, which resolves to 192.0.2.1 If I ...
11
votes
2answers
704 views

How can I reduce the damage of stolen mail accounts?

Currently I’m offering some webhosting to a few advertising agencies for their premium customers. But currently I have a great problem with the E-Mail Service. In the last week, the E-Mail Accounts of ...
10
votes
4answers
13k views

When exim4 sends HELO/EHLO, how do I configure which host name it sends?

Mails from my system are being rejected when the receiving server does HELO checking. I believe my system is sending the wrong domain name. I'm running exim4. Googling for anything about exim4 and ...
8
votes
2answers
1k views

Is there a way to force all cPanel users to change their passwords one time? [closed]

One of the cPanel servers I am running has constant troubles with compromised email accounts. I believe many of the users on this server have very weak passwords. I have increased the minimum password ...
7
votes
4answers
23k views

How to find which script on my server is sending spam emails? [duplicate]

My server is sending the spam email and I am not able to find out which script is sending them. The emails were all from nobody@myhost so disabled from the cpanel that nobody should not be allowed ...
7
votes
1answer
2k views

How do I generate a response file to be used with apt-get or aptitude?

I need to install exim4 through puppet. Because this installation requires interactive configuration, I need a response file, but I don't know how to generate one. So, how do I generate a response ...
7
votes
2answers
2k views

Exim4 Disable local delivery?

I'm running exim4 as my MTA and it works great to send emails to outside emails other than my hostname. When I send an email to my gmail via command line (sendmail forgedtuts@gmail.com, etc...) it ...
6
votes
2answers
17k views

Get log of mail sent with mail() from PHP (sendmail?)

After some server changes our PHP configuration got nuked, which caused a client's large mailing list to time out partially through about 4,000 addresses or more. We want to avoid sending a duplicate ...
6
votes
2answers
358 views

Failed SPF for email imported to Gmail because of client IP instead of server's in message when sent through SMTP from one local box to another

We have a linux (Debian) VPS with domain (let's say example.com with MX mail.example.com) that has SPF set up. There is dovecot+exim running. There is also Direct Admin on top of that. When I send a ...
6
votes
3answers
3k views

Can I use the same SSL certificate for smtp, imap, pop3 and http?

So far I'm using self-signed certificates, but decided to at least consider getting the "real" one. So far I noticed that internal formats of the certificated are a bit different, that is: http ...
6
votes
3answers
2k views

Linux email server for sending email from multiple IP addresses

I'm trying to setup an email server so it has the capability to send email from multiple IP addresses, so our marketing system can send email from multiple domains, while keeping the reverse DNS ...
6
votes
2answers
9k views

Setting up Exim to forward mail

I'm trying to setup Exim on a fresh CentOS install so that it will receive mail for a collection of given addresses, and forward the mail respectively to another address. For example, receiving mail ...
6
votes
0answers
524 views

Exim 4.71 does not add DKIM signature to outgoing emails

I am trying to add DKIM to my domain, I have created a key, added the following to /etc/exim4/conf.d/transport/30_exim4_config_remote_smtp: dkim_domain = mydomain.com dkim_selector = mail1 ...
5
votes
6answers
1k views

Prevent outgoing spam

What are some ways to prevent spam from leaving your servers should a hosting account get compromised? Have a bunch of clients on a server with cpanel but wondering if there was a way to just ...
5
votes
6answers
4k views

How might I stop BACKSCATTER using qmail?

I have a Linux box acting as Virtual Host for domain hosting. It runs CentOS and Parallels Plesk 9.x. Regardless of the following, the SPAM keeps flowing in at 1-3 / second. An explanation of the ...
5
votes
1answer
2k views

Exim doesn't want to do DKIM signing correctly

I'm using exim 4.82 on Debian sid. I've followed several tutorials on how to configure exim to sign outgoing emails, but it seems like something is not behaving as it should be. My diagnosis is that ...
5
votes
1answer
501 views

Exim speed up mails send/recieve mechanism

We are using Exim on CPANEL server with CENTOS 5. We have only one mail server hosted on US databasecenter contains all user mailboxes. Problem is that our users are in two different data centers in ...
5
votes
3answers
249 views

Configure exim4 to use Microsoft Exchange as smarthost

My company has set recently set up an Active Directory driven Microsoft Exchange environment to consolidate outgoing mails. We do have a set of staging servers which should now use our MSEXCHG as ...
4
votes
3answers
3k views

How can i send /var/mail/root again?

Through some missconfiguration i've a lot of emails in /var/mail/root and /var/mail/www-data How can i "loop" over these files and send each mail another time? Thanks in advance!
4
votes
2answers
4k views

Basic exim configuration - redirect all out-bound emails to local address

I have exim running on a development server. It's currently not able to deliver mail anywhere other than locally. This is fine though - I don't want to be able to accidentally spam our entire ...
4
votes
3answers
995 views

Remove Exim version number

I'm trying to get rid of the version number that you see when you get an email sent from Exim. Received: from user1 by site.org with local (Exim 4.72) I'v tried editing smtp_banner in these two ...
4
votes
2answers
1k views

Personalized “user has left company” notice message

Running exim4 i cannot figure out how to send a notice message to the sender, if a certain address gets mail (the address of the user that will left the company).
4
votes
1answer
866 views

Moving mail server to google apps

I just recently moved one of my Mail server (Exim+dovecot) to google apps thinking it would be a good idea. I am interested to hear what the serverfault community think about it, and mostly weight the ...
4
votes
2answers
565 views

Intermediate SMTP server (exim), how to handle backscatter?

I have a dedicated Ubuntu Lucid box at a hosting provider that is my backup MX (running exim4 4.71-3ubuntu1.4) for domains that I have configured on an Exchange 2007 server on my LAN. So my Exim ...
4
votes
1answer
2k views

Exim TLS and Secure SMTP

I'm in the process of converting an existing mail server to support encrypted SMTP for our clients, but I've run into this brick wall with very little useful log data to help me forward. Everything ...
4
votes
2answers
3k views

exim: remote host is local host?

I don't know much about email servers and I am having some problems. I am trying to setup exim to forward emails to another port on the local host for testing purposes. Exim should basically connect ...
4
votes
1answer
178 views

Hot/Lukewarm mail server setup

We have two mailservers ("dubone" and "dubdeuce"), one does all the work while the other sits idle. We want to have a setup where if dubone is busy or down, dubdeuce can accept/reject/filter emails ...
4
votes
2answers
298 views

Is my Exim vulnerable to the recent remote exploit (CVE-2011-1764)?

CentOS using yum to update Exim. Exim is configured to not allow remote connections using the local_interfaces config option. My old version was 4.63-5.el5_5.2 and after using: yum update exim it ...
4
votes
1answer
407 views

Sign outgoing mails with DomainKey on exim4 and Ubuntu

I just installed Exim 4.73 on Ubuntu using apt-get. I was able to easily integrate DKIM signing because of it's integration with Exim. I'm having some trouble with DomainKeys support. Most of the ...
4
votes
4answers
512 views

Spam from my server [closed]

I have exim and dovecot on my server installed with directadmin. Some users use it to send spam. How can i disabled this and remove my server from abuse. info from mainlog 2010-07-07 13:00:16 ...
3
votes
5answers
536 views

Preferred mail system/server for a company?

Say you are responsible for setting up an email solution at a company. Which would be your choice? I know of the following options, but many of them not well: Gordano Mail System Exchange Exim ...
3
votes
2answers
2k views

Exim4 won't send message

My exim4 don't send any message. The logs says 2011-03-09 15:59:57 1PxKrl-00038i-BT malware acl condition: clamd: ClamAV returned /var/spool/exim4/scan/1PxKrl-00038i-BT: lstat() failed: Permission ...
3
votes
3answers
53 views

Checking puppet-generated exim config before deploying

I use Puppet to generate /etc/exim4.conf and I want to make sure that the configuration is valid before I install the file on production systems. I've considered— using a git hook to call ...
3
votes
1answer
72 views

Configuring dynamic e-mail aliases such as “user+keyword”

My Ubuntu server is using Exim4/Courier for emails and I'd like to know if it's possible to create dynamic email aliases for receiving emails like this: client+client1name@domain.com ...
3
votes
3answers
3k views

Understanding exim configuration files

So, I want to understand what's going on with this Exim configuration directory. In /etc/exim4, there's: * exim4.conf.template * update-exim4.conf.conf * conf.d The conf.d has a mess of ...
3
votes
2answers
117 views

Case insensitive exiqgrep?

My mail queue is currently full of bounce messages for the same domain, but in mixed case. I tried using exiqgrep to filter these mails from my queue, but it seems that the command is case sensitive. ...
3
votes
1answer
14k views

Understanding Exim4's /etc/aliases

Regarding this exim /etc/aliases man page I am not sure how /etc/aliases works. The /etc/aliases The file should contain lins of the form name: address, address, ... I looked in ...
3
votes
4answers
585 views

Interpreting exim log files after parsing

I'm parsing exim log files and, due to my processing method, lose the original order of all entries in this file. I rebuild the transactions by their transaction ID (i.e. 1OfiYX-0000Ev-7k) but still ...
3
votes
3answers
4k views

Exim taking long time to send emails, how to decrease delay in Exim service?

The linux server where exim service is running is under no load. The system is sending email successfully but is taking a long time to send each email. Basically if I telnet to localhost port 25 ...
3
votes
5answers
2k views

Improving Exim performance: mounting message queue on RAMdisk

I have an email server that's part of a messaging application, and it's going to see a lot of throughput. I want to mount Exim's message queue on a RAMdisk to maximize performance; throughput speed ...
3
votes
2answers
2k views

Exim config - no external connections, only localhost connections (Linux)

CentOS running Exim 4.63(inc latest fixes). I want to configure exim to not listen on the external IP, only localhost so that exim can only be used from the server itself (no remote connections). ...
3
votes
1answer
880 views

DNSBL listed at zen.spamhaus.org - cant get outgoing mail working? Am I interpreting the response correctly?

I have problem with a mailserver and there is something I kind of not understand! I can connect, authenticate, specify the sender address - but when specifying the reciever i get a error 550 which ...
3
votes
2answers
3k views

How do I override apt-get removing dependent packages?

I want to replace postfix with exim4 on my Ubuntu test server to reflect the setup I have on my production server, but apt-get and aptitude (quite understandably) insist on removing several packages ...
3
votes
1answer
1k views

exim4 redirect mail sent to *@domain1.example.com to *@domain2.example.com

Current situation: We have a VPS that hosts a website example.org. Exim is configured to work as a smarthost. All emails sent through exim are successfully relayed to another mail server (that is ...
3
votes
1answer
9k views

How to set exim4 to send email anywhere but only from authorised users?

Struggling to get my head around the various relaying controls in the exim4 config. I can send email from my server, I can send email from home and work (because I explicitly added suitable netblocks ...
3
votes
1answer
3k views

Exim - Warning: Sender rate … / 1h

I have a server CentOS 5.3 and WHM/cPanel 11.24 installed. In exim log files I noticed these wordings next to most of the emails. Warning: Sender rate (a number, like 2.4) / 1h Do you have any idea ...
3
votes
1answer
2k views

How can I configure Exim to drop non-authenticated connections on alternate SMTP port?

I currently only allow connections on port 25 from a mail filtering service's IPs. I have Exim running on an alternate port for SMTP submission. This port needs to allow non-encrypted connections ...
3
votes
1answer
81 views

How can one configure exim still to reject invalid recipients after an earlier ACL returned “discard”?

For the reasons set out in my earlier question Originating (non-critical) emails from a "less-trusted" host, it unfortunately seems that we must run an SMTP server for the sole purpose of accepting ...