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-   -   Unable to start up Imap/Pop3 Service with Dovecot on RHEL5 and Postfix 2.3.3 (

bono00 04-07-2009 10:49 AM

Unable to receive Imap/Pop3 with Dovecot on RHEL5 and Postfix 2.3.3

I installed mail server using Postfix 2.3.3 with RHEL 5. I did all changes in and got smtp service works correctly (can send email to local/internal domain and all external domains) but I cant receive mails in pop3 / imap service (I am using dovecot 1.0-1). I am upgrading from Postfix 2.1.5 and dovecot 0.99.11. The versions Im working with are Postfix 2.3.3 and dovecot 1.0-1.2

Ive configured dovecot.conf with the most common parameters, but have no idea how to create (format) the passwd-file, defined in authentication processes part.

I can make dovecot lets come all mails into my domain (I mean, I do not reveice anything in my mail domain server). If I get back to my production server (older versions) I do receive the mails sended with my testing server (the newest one).

I am a begginer working with linux and dovecot.

I am not using at this moment SSL auth and not sure the problem source is from here. All user accounts (mail accounts) where created such as system users and are located on /home and authenticated with /etc/passwd. Should I make changes with this?...

The dovecot service starts up correctly and stays on all time but I can not send messages from pop3 and/or imap services.

Thanks for your help!.

Ag. Smith 05-04-2009 12:47 PM

Well, post the result of this, to get an idea of whats your problem.


telnet localhost pop3

you should get something like this


+OK dovecot ready.

Anyway, you should post the result of this too

Run as root

cat /var/log/maillog|grep dovecot

*Sorry for my English, its not my native language

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