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Questions tagged [sasl]

Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols.

259 questions
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SASL accepts "wrong" passwords

I setup an mailserver with Postfix and configured it to use Cyrus SASL to authenticate my users. It worked perfectly, until I found out that I can login with shorter passwords than they actually are. For example the Password should be uhuh1234h22 i…
Matthias Dunkel
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Postfix doesn't require authentication for local emails?

I've got a Postfix/Courier mail server (Authenticated with SASL/MySQL) all according to this tutorial. I'm currently running my server on Debian 6, it is a VPS. It works well as far as I can see but I can't seem to require authentication for inbound…
Pinpickle
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1 answer

Postfix + SASLAUTHD + MySQL authentication problems

I've been trying to sort this out for the past 6 hours or so, this is the error message I'm facing (Running CentOS x64): /var/log/maillog: Jun 22 20:42:49 ptroa postfix/smtpd[10130]: warning: SASL authentication failure: Password verification…
Or W
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Enabling smtp authentication on postfix with users in another smtp server

I am trying to replace an existing qmail installation with postfix. Qmail is currently authenticating outgoing smtp from users clients with a perl script. This script checks user's provided username+password performing a AUTH LOGIN check on another…
golemwashere
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Can't connect to SMTP over 587

I am setting up a mail server, on Ubuntu, based on: https://help.ubuntu.com/community/Postfix Currently, I can both send and receive email from the server. However, attempts to send email through SMTP from gmail fail with a bad authentication. I've…
Julio
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2 answers

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 Postfix matches that before doing any sort of…
Matt
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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 mechanisms, and I have tried everything under the sun to…
Dale C. Anderson
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issue with heimdal kerberos in ldap backend

I'm having a bit of trouble getting Kerberos (Heimdal version) to work nicely with OpenLDAP. The kerberos database is being stored in LDAP itself. The KDC uses SASL EXTERNAL authentication as root to access the container ou. I hope this is the right…
Brian
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2 answers

Configuring SASL support in libmemcached

I'm trying to build libmemcached with SASL support on OS X Mountain Lion. I have built memcached (1.4.15) with SASL support: $ memcached -S -vv Initialized SASL. slab class 1: chunk size 96 perslab 10922 ... slab class…
John Keyes
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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 connections with the following error showing in the…
chmike
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1 answer

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 authenticate at Postfix and Postfix rejects client…
rabudde
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1 answer

Settings to change to allow PostFix to accept outgoing mail from authenticated users

I have a mail server that can receive mail for users that are in a MySQL database, and lets them download those message via POP3s. This is all working fine. My PostFix version is 2.7.0, on Ubuntu Server 10.04. The problem is sending mail. There are…
Nick
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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?
user101130
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4 answers

Is SASL not supported in Postfix on FreeBSD?

I'm managing a mail server that was set up on FreeBSD that runs Postfix and Dovecot. When I type postconf -a, nothing is returned. As I understand it, this command should tell me if SASL is supported by my Postfix install. Since nothing was…
devnill
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FreeBSD: OpenLDAP, SASL, and GSSAPI

I've run into some problems getting OpenLDAP on FreeBSD (8.2-STABLE) to authenticate using Kerberos tickets. I hope I've just had a brain glitch, so please feel free to let me know that I've missed something obvious. Here's where things…
larsks
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