Tagged Questions

0
votes
1answer
70 views

Removing “noplaintext” from Postfix conf due to lack of CRAM-MD5 support in clients. Is that insecure?

I have enabled TLS support in POSTFIX and authentication is delegated to Dovecot which offers "plain login cram-md5" methods. The SASL section in my Postfix conf had smtpd_sasl_local_domain = ...
0
votes
0answers
144 views

Postfix with Dovecot SASL doesn't authenticate SMTP senders

I have a Postfix/Dovecot setup on my server and I use Webmin/Virtualmin for management. Receiving emails works fine, and users are able to authenticate when accessing via IMAP. I am having problems ...
0
votes
2answers
123 views

Dovecot Not Receiving Mail From Outside Servers

After a long and hard battle, I was able to configure postfix to send mail to outside domains. Now the problem is receiving them from outside domains. I use the pop3 protocol with dovecot, and it ...
0
votes
1answer
120 views

Postfix + Dovecot SASL - Need catch all with virtual users

I have a Postfix instance using SASL with Dovecot for authentication. I am using virtual_alias_maps for some address rewriting, but I'm unable to use a catch all definition (@domain newaddress) as ...
0
votes
2answers
381 views

Postfix “AUTH-LOGIN” no longer being offered for smtp auth after upgrade from Ubuntu 10.04 to 12.04.1

After doing a major Ubuntu dist upgrade from 10.04 to 12.04, my virtual-user postfix / dovecot installation only offers "PLAIN" SMTP Authentication mechanism. It used to offer PLAIN + LOGIN ...
0
votes
1answer
818 views

PostFix and Dovecot - fatal: no SASL authentication

After following the guide provided by debuntu.org (http://www.debuntu.org/how-to-virtual-emails-accounts-with-postfix-and-dovecot/) which was very helpful, I immediately began having issues with SASL ...
0
votes
2answers
2k views

What is wrong in my Postfix Dovecot sasl configuration?

I configured postfix and dovecot as specified in http://www.postfix.org/SASL_README.html#server_dovecot_comm description to activate sasl authentication. Unfortunately postfix rejects every ...
2
votes
1answer
85 views

Postfix rejects SASL auth when dovecot is down

We're using Postfix with Dovecot and SASL Auth via Dovecot (based on this tutorial). All works like expected. But when Dovecot is down (i.e. for maintenance or other reasons) then clients could not ...
1
vote
2answers
867 views

Postfix not working

A while ago I installed the postfix mail server on my ubuntu 10.04 VPS. At the time it was working good but now it's just stopped working. I was trying to enable SASL authentification and somewhere it ...
1
vote
1answer
127 views

Does Cyrus SASL support userdb authentication?

I'm not finding anything that indicates it doesn't; I need to be able to authenticate virtual users. If not do I need to start using dovecot?
0
votes
2answers
513 views

Postfix - Is there a way to reject invalid authentication (even for mynetworks)?

I got a working postfix/dovecot configuration running with the following rule for recipients rejection: smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject This works ...
0
votes
1answer
1k views

Exim authentication using Dovecot driver

Been following the instructions at the Dovecot Wiki for setting up Exim to share authentication credentials with Dovecot. I have setup Dovecot to deliver mails for virtual users and setup a router ...
1
vote
1answer
3k views

SASL LOGIN authentication failed: UGFzc3dvcmQ6 - Find the username

First let me state that the mail server is working fine and users can connect and send email. Basically there is a local web script connecting into the mail server trying to send mail every few ...
3
votes
1answer
904 views

Postfix sasl: Relay access Denied (state 14)

I have postfix installed with dovecot. There are no problems when I'm trying to send e-mails from my server, however all e-mails that are coming in are rejected. My main.cf file: queue_directory = ...