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

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SASL Auth against LDAP

So I am running into a whirlwind of issues with my cyrus install. I am setting up a multi-domain kolab groupware solution. I am on centos 6.7 I am getting this flooding my error logs when I try to ...
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1answer
51 views

Postfix - sender dependent relaying for multiple domains

I have spent the last couple of days going through SO questions and the Postfix documentation but have not succeeded in figuring out what I'm doing wrong. My situation is as follows: I have a server ...
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2answers
79 views

“503 5.5.1 Error: authentication not enabled” when trying to connect to my postfix server remotley

I have the following: postfix-2.10.1-6.el7.x86_64 cyrus-sasl-lib-2.1.26-17.el7.x86_64 cyrus-sasl-plain-2.1.26-17.el7.x86_64 cyrus-sasl-2.1.26-17.el7.x86_64 my postconf -n is: alias_database = ...
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2answers
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postfix error: 535 5.7.8 Error: authentication failed: authentication failure

I need to connect to Dyn mail relay and I'm using their KB. I'm trying to connect to my postfix server with telnet to port 25. This is the postconf -n alias_database = hash:/etc/aliases alias_maps ...
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How can I install libmemcached on Openshift with sasl support?

I need libmemcached with sasl support to use Memcached Cloud cartridge on Openshift Online. I doing next: 1) Install sasl. curl -LO ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-2.1.26.tar.gz tar ...
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37 views

Postfix/Devcot Relay accedd denied and no SASL mechanisms

I am trying to configure Postfix and Devcot on my VPS and use it with Roundcube webmail and other Mail clients ( Outlook, Thunderbird... ). The problem that I am facing right now is that maillog ...
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1answer
47 views

dovecot/ postfix make me two different folder same user (user; user@domain)

I had some problem with the Dovecot/Postfix/LDAP/SASL config files: The LDAP query, SASL config its work but my problem is postfix and the dovecot: When i first login the outlook/thunderbird/etc.. it ...
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21 views

Mail Server Memory buffer error

From time to time, my mail server stops sending any new mails. When this happened, I find the below error log, Jun 22 23:10:18 myserver saslauthd[3967]: DEBUG: auth_pam: pam_authenticate failed: ...
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1answer
39 views

What is a saslpasswd2 domain?

What does saslpasswd2 do, in particular, what is the domain option for: -u domain use domain for user domain (realm). UPDATE: Suppose, I: smtp login to smtp.mydomain.com, as ...
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1answer
46 views

Dovecot reports no SASL authentication mechanisms

On my way to setup a mail server with Postfix and Dovecot on Ubuntu, I can now send mails to other domains. However, I cannot receive from others. In the logs it reads Jun 14 09:34:35 ...
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1answer
47 views

Postfix E-Mail transfer doesn`t work - SASL Authentification failed

I want to use the postfix MTA to send E-mails from my Nagios monitoring system to the contacts. However, i get the follwing error, if a mail will be send May 28 16:20:29 op5-system ...
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3answers
71 views

How to force Postfix SMTP to use AUTH (SASL?) and reject anonymous connections? [closed]

The following snippet has been added to the main.cf file of postfix: smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd ...
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1answer
87 views

Why am I getting a 'fatal: SASL library initialization'

If I turn on smtp_sasl_auth_enable=yes <- yes I get this set of warnings and a fatal for SASL. I can not see why it's also looking for cyrus - which is not compiled in. postfix/smtp[87056]: ...
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1answer
184 views

Dovecot says: “Requested CRAM-MD5 scheme, but we have only CRYPT” yet CRAM-MD5 is available

Following upgrade of Fedora Core 16 to Fedora Core 21, the new Dovecot installation isn't authenticating correctly and it's not at all clear why. We have 50+ email accounts served by this server, so ...
6
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2answers
112 views

Postfix deny relay for some virtual users

I'm using Postfix as MTA and relay. Users that wish to send e-mail from a remote system authenticates and Postfix hands that to Dovecot, and this works well. But how can I limit which users can use ...
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1answer
92 views

searching for the correct way to compile postfix

I am experiencing issues while compiling latest version of postfix from source code. At the moment I'm trying to compile version 3 because Debian 7 and latest Ubuntu 14,10 (version 2,9 and 2,11 for ...
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1answer
96 views

Mongodb + Kerberos BadValue SASL mechanism GSSAPI is not supported

I am trying to run an instance of mongodb with the authentication mechanism GSS-API. This is the command: mongod --dbpath /home/ec2-user/db/node2/data --auth --setParameter ...
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1answer
1k views

535 5.7.8 Error: authentication failed: no mechanism available [duplicate]

I'm using Debian 7, with postfix/courier. When I attempt to login using SMTP I get the following error telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 ...
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0answers
82 views

Dovecot: using a separate passdb per service

Situation: one front-facing server running Dovecot as IMAP/POP3/ManageSieve proxy, a mixture of IMAP servers (Dovecot, Exchange, ...) in the back-end. Dovecot's passdb does lookups against MySQL which ...
2
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1answer
178 views

SASL PLAIN authenticating with primary domain, but not with virtual domain

Postfix + dovecot and sasl. Works so far with 1 domain. Added a virtual domain. Incoming mail for this works. Outgoing however has SASL authentication failing. Why does it fail I don't know. ...
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1answer
2k views

Dovecot SMTPD Sasl auth error: fatal: no SASL authentication mechanisms

I've googled this error and nothing I've read/tried works - anyone know what it is Error log: Feb 23 22:35:36 localhost postfix/smtpd[5278]: connect from localhost.localdomain[127.0.0.1] Feb 23 ...
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2answers
477 views

sendmail & sasl auth on CentOS 6

I'm moving a mail server from one CentOS 6 to another. I use sendmail with sasl pam authentication. When I try to send mail it fails because the user is not authenticated and the mail client does not ...
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1answer
68 views

Sending emails from non-configured domains with postfix/dovecot

I am trying to setup a mail server with postfix/dovecot. I can currently receive emails and send emails from domains that I have configured. I have a lot of domains and my email setup is simple - ...
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1answer
268 views

Postfix logging “Fatal: no SASL authentication mechanisms”

I was trying to close the open relay postfix server I had running, as there was spam coming from it, and now I can't get e-mails. The message I get in the log when someone tries to send an email is ...
2
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1answer
465 views

Postfix/Dovecot: SASL LOGIN authentication aborted

I use Postfix together with Dovecot (auth/LMTP) on my mailserver. Everything is working fine, but I notice several warnings in the log-files each day: postfix/smtpd[4169]: warning: ...
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90 views

OpenLDAP & SASL (DIGEST MD5) on Ubuntu 14.4

I have an existing ldap implementation that I would like to start enabling SASL. I don't really have a lot of experience with openldap/slapd and I'd like to be able to configure it using the current ...
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1answer
400 views

How to enable DIGEST-MD5 SASL mechanism in Open Directory?

We've created an Open Directory master on OSX 10.10 Yosemite + Server.app v4: $ sudo slapconfig -createldapmasterandadmin admin Administrator 1000 But it doesn't support DIGEST-MD5: $ ldapsearch ...
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41 views

SASL severity 2 password verification failed

I have PHP Memcached running I have binary turned on (both memcached process & php) I am using Memcached::setSaslAuthData Using Ubuntu 14.04 SASL is enabled I just continually get: mech: ...
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88 views

OpenLDAP 2.4 pass-through SASL configuration

I am having a hard time configuring pass-through on LDAP 2.4, mainly because most of the information in the internet is written for the older LDAP versions... I am looking to configure SASL but when ...
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2answers
1k views

CentOS 7 ec2 smtpd - Client host rejected: Access denied

I've been trying to figure this out for hours and can't quite wrap my head around it. I have a mail server on an ec2 instance running CentOS7 that has postfix, courier (authlib and imap), sasl, ...
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1answer
526 views

Postfix sasl/tls username password ubuntu14.04 only sender [closed]

Anybody can suggest me a good tutorial to configure postfix as a secure smtp. I've installed it by this command sudo apt-get install mail-stack-delivery but I can't use it. In particular I haven't a ...
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338 views

Postfix + Saslauthd + Kerberos 5 + CentOS 7 not working

I've almost got saslauthd checking against Kerberos but seeing some last issues on CentOS 7. When postfix talks to saslauthd, it sends a lowercased domain and it's not corrected. I tried to fix things ...
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1answer
2k views

Postfix cannot authenticate against SASL

My system is Debian 7 aka Wheezy with postfix, courier, and mysql installed. Courier works well and if I issue testsaslauthd -u user@domain -p password -f /var/spool/postfix/var/run/saslauthd/mux -s ...
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2answers
2k views

postfix SASL authentication failed - Internal authentication error

I've recently had to change SMTP relays from Cablevision to Verizon. Verizon blocks port 25 but they will accept SSL via port 465 (per this). I've used this and this to have stunnnel forward ...
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1answer
53 views

Postfix accepts unauthorized requests

Here is an excerpt of my Postfix configuration: broken_sasl_auth_clients = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_relay_restrictions = ...
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3answers
736 views

Can't use EXTERNAL authentication after enabling TLS in ldap-2.4

I used the following LDIF file to activate the TLS support for the LDAP server: dn: cn=config changetype: modify add: olcTLSCipherSuite olcTLSCipherSuite: NORMAL - add: olcTLSCRLCheck ...
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1answer
409 views

How to exempt localhost from SMTP smart relay?

I've got a mail server (mail.mydomain.com) that has a relay set up as such: /etc/postfix/main.cf: # Smarthost relayhost = [smtpcorp.com]:2525 smtp_sasl_password_maps = ...
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1answer
203 views

Postfix Policyd both for SASL and non-SASL mail

I have configured Policyd v2 (cluebringer) to apply quota on msg count for SASL and non-SASL users. It is easy in policyd [1]. However I don't know how to configure postfix (2.7.1). Right now I have ...
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3answers
2k views

Postfix: SASL authentication failure: cannot connect to saslauthd server: Permission denied

I had a Postfix/Dovecot server up and running for about a week until I had to reboot it. When I did, things stopped working. I've been up searching for hours to no avail. IMAP successfully ...
2
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1answer
2k views

Postfix allow SASL-authenticated users to send from any IP address

I understand that I need SMTP on port 25 to receive email, but I do not want this to be a relay port. Instead I would port 587 to be used for registered (SASL-authenticated) users to relay email from ...
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1answer
608 views

Plain-text login with sendmail and SASL, Ubuntu 10.04

I'm trying to configure sendmail with a smarthost. I mostly followed this guide (although I understand it is written for Scalix). SMTP server uses plain-text authentication. However, when sendmail ...
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1answer
117 views

Postfix selectively enforce TLS

I am running postfix in Debian Wheezy as my MTA. I currently have it configured to require secure connections for SMTP. In main.cf I have: smtpd_tls_auth_only = yes smtpd_tls_security_level = ...
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1answer
129 views

Has my Postfix been compromised? [duplicate]

I'm running a postfix installation on ubuntu 10.04 LTS with multiple domains. The relay access requires authentication with STARTTLS. This morning one of the user accounts logged in and sent hundreds ...
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1k views

Diagnose SASL LOGIN authentication failure with postfix and sasldb

I am trying to configure a Postfix SMTP server on my personal machine (ubuntu server) using sasldb2. So far what I have set up works well with the test command: testsaslauthd (however it may be ...
0
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3answers
3k views

postfix permit_sasl_authenticated in smtpd_client_restrictions for submission on 587

First let me explain my setup. I'm using postfix 2.9.6 on Debian Wheezy. I do not allow AUTH on port 25, and force MUAs to use a submission service on port 587 instead. Debian comes with the following ...
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1answer
3k views

How to debug SASL authentication via LDAP towards active directory

I am trying to configure SASL running on Centos 6.5 to allow authentication towards the corporate active directory server. The end goal is to authenticate access to some subversion repos which are ...
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1answer
92 views

POSTFIX auth can't get logged in

I try to setup my postfix smtp with sasl auth. It seems to be working when I check it with telnet on the local server. ouput: # telnet mail.domain.tld smtp Trying 37.34.52.199... Connected to ...
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3answers
14k views

POSTFIX fatal: no SASL authentication mechanisms

I am struggling with the error above for more than 5 hours. I had tried to remove Postfix completely and I had followed the instructions of the next manual and the SASL manual in order to reinstall ...
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1answer
247 views

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. ...
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2answers
656 views

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 ...