All Questions
21 questions
0
votes
1
answer
625
views
Unable to send mail to a domain outside my own domain
[UPDATE: The issue fixed itself. I am thinking the relay server which in this case Sendgrid had something to do with this.]
Everything was running smoothly until the Dovecot version got updated to 2.3....
- 199
0
votes
2
answers
981
views
smtp hack attempts and no IP in logs
server gets smtp login attacks but firewall cant ban them because there is no IP in logs... like this in var/log/messages:
Mar 13 16:00:05 sunucu saslauthd[1484]: do_auth : auth failure: [...
- 109
0
votes
1
answer
2k
views
Cannot send email via postfix / dovecot error status=deferred (mail transport unavailable)
I am trying to setup a mail server with postfix/dovecot/maria DB on centos 7 and have seem to hit a roadblock.
I am not able to send emails to internal users and the logs suggest "mail transport ...
- 1,901
5
votes
1
answer
2k
views
SMTP Server Dovecot / Exim Authentication error
Recently, I've installed the centOS 6. The purpose of the installation to use this server as Mail server. Where I've installed Exim version 4.84_2 #1 and Dovecot.
I've followed this blog post and I'...
4
votes
0
answers
900
views
Mail Server user management issue using Postfix+Dovecot+RainLoop
I'm using mail server using postfix+dovecot (over TLS/SSL), RainLoop as my WebClient, and using auth-system.conf.ext so user's password will be read by/from pam.
Consider at least 10 users using this ...
- 777
0
votes
1
answer
2k
views
Every email that I receive gets sent to [email protected] (Postfix on CentOS)
It seems that all emails I receive never make it to my actual inbox. They go to the root email. (in my case this is [email protected])
Here is my /var/log/maillog:
Nov 10 19:43:43 mail postfix/...
- 195
2
votes
1
answer
5k
views
I can send mail but can't receive it (CentOS with Postfix)
I followed this tutorial and was able to create a mail account that can be configured in an email client.
The problem is that I can't receive any messages to my inbox BUT I can send messages ...
- 195
4
votes
1
answer
5k
views
How can I have multiple email accounts from different domains using Postfix?
I just made it through this helpful article and successfully have my mail server set up with a single domain.
What I'm wondering now is how I can be able to add multiple email account for different ...
- 195
1
vote
0
answers
241
views
Cyrus Performance Tweaks?
I have been working with RC for a long time and I know some awesome SQL tweaks that work wonders, etc. My tweaks haven't done a single thing for the kolab install. This the first time I've worked with ...
2
votes
3
answers
914
views
Migrate mail from dovecot on centos to dovecot on debian
I am trying to migrate a number of user mail accounts from dovecot 1.0.7 on a centos 5.11 server to dovecot 2.1.7 on a debian 7 server
Foolishly I thought I could simply replicate the Maildirs from ...
- 308
1
vote
2
answers
7k
views
Cent OS 6.6 enable Plaintext authentication on dovecot and postfix
A customer of mine wants to use gmail as their default mail client but I have rolled forward to a new CENTOS server version (6.6, ok it's not "new" new) and the dovecot and postfix settings are ...
- 233
-1
votes
1
answer
755
views
Mails bouncing back from Dovecot mail server
we have a dedicated server running CENTOS 6.6 x86_64 standard running and usually comes with whm/cpanel. It is using Dovecot mail server and postfix is excluded in repository. The problems we are ...
- 11
3
votes
1
answer
7k
views
unable establish remote imap connection, why not?
A remote CentOS 7 web server is able to successfully receive email sent from elsewhere on the internet addressed to [email protected] . An app running on the same CentOS 7 server is able to use ...
- 5,347
4
votes
1
answer
3k
views
Permission problems. Can't retrieve inbox messages from dovecot
I got a VPS server at a webhoster which has CentOS 6.6 as operating system.
Because I have multiple domains which are used by various people, this server is going to serve multiple roles:
nameserver (...
- 141
0
votes
2
answers
7k
views
How do I read Maildir RFC822 messages from the CentOS 7 terminal?
In a CentOS 7 server with dovecot, postfix, mailx installed, I have mail configured to be stored in Maildir format.
How can I use the terminal to access and view the RFC822 messages stored in a ...
- 5,347
0
votes
1
answer
1k
views
How can I programmatically access the contents of a Dovecot mailbox in CentOS 7?
I just set up postfix and dovecot on a CentOS 7 server using this tutorial. I am able to successfully create a mail record using echo "TEST" | mail -s "testmail" youruser@localhost && tail -f ...
- 5,347
5
votes
2
answers
5k
views
ACL/MAC Permissions for dovecot and postfix in CentOS 7
I am using this tutorial to set up Postfix and Dovecot on a CentOS 7 web server. But when I try to send a test email using sudo echo "TEST" | mail -s "testmail" newuser@localhost && sudo tail ...
- 5,347
1
vote
2
answers
6k
views
How do I install Exim and Horde on Centos 7 with MariaDB 10?
I can't find a guide for this (they are old and don't work) and I can't seem to manage to install it. I can't install Postfix because of its dependencies, so I'm going with Exim, which I installed ...
- 253
1
vote
2
answers
11k
views
Mail Server on CentOS - Relay access denied
I have setup Postfix and Dovecot on my CentOS Server.
Now I am using unsecure SMTP and POP/IMAP (ports 25 and 110/143). I can send mail locally to and from myself, but when I want to send email TO ...
- 379
1
vote
2
answers
5k
views
Installing Dovecot and Exim on CentOS 6.4
I've been looking for some guides on setting up a secure dovecot and exim mail server setup on CentOS 6.4, however it seems there's nothing out there.
Does anyone know of any guides - or - if someone ...
- 11
5
votes
1
answer
1k
views
selinux, dovecot and sieve
I've just started learning to configure SELINUX and this morning on my CentOS 6.4 x64 system, with postfix/dovecot/mysql installed, I woke up to the following selinux issue
found 1 alerts in /var/log/...
- 2,215