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

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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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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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25 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
136 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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123 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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109 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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224 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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485 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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29 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
162 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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208 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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115 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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2answers
717 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 ...
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1answer
868 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
200 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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69 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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100 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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541 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 ...
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2answers
1k 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
951 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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113 views

SASLAUTH: Temporary block on more than 5 authentication followed failures

I'm running a Postfix MTA together to SASL when it comes to authentication. Yesterday saslauthd collapsed and none of the email users could login to the mail server. What i think is probably ...
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57 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
6k 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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134 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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254 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 ...
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217 views

Memcached with SASL: Couldn't find mech PLAIN

I'm trying to get memcached working with SASL. I'm compiling memcached and libevent from source. These are the steps I took (both under root and a user, same result): Having these packages: ...
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445 views

Postfix with SASL

I'm getting crazy configuring POSTFIX + DOVECOT + Authenticated SMTP (SASL for now). Pop/imap accounts works well to get the mailbox, but I cannot login to smtp using sasl: Here: [root@mail ...
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354 views

No sasl auth mechanism available

I'm trying to use Dovecot+Postfix+Mysql so far everything worked fine. Since upgrading from Debian 6 to 7 I'm unable to send mails. Receiving is still possible. /var/log/mail.log Oct 22 15:21:24 ...
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3answers
484 views

Postfix: how to use simple file for SASL authentication?

I'd like to run Postfix on a Debian VPS to send e-mails from my application. The application (running on other VPSes) would connect to Postfix via SMTP. Postfix does not have to handle incoming email; ...
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84 views

Postfix and dovecot auth

So I am trying to get my head around how this works in relation to how people can send credentials to authenticate via smtp and send mail. With a typical default set up of postfix and dovecot (with ...
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110 views

Postfix, Dovecot and SASL: SASL not present

It seems that I don't have SASL support, althou I've checked my configuration against ALL the online tutorials, and it seems fine to me. I've also checked /var/log/mail.log and there's no word "SASL" ...
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253 views

How to check if my postfix was compiled with sasl support?

I keep reading everywhere that postfix must be compiled with sasl support to be able to use the sasl authentication. I already have postfix instances running (Centos 6.4 and Fedora 18 machines). They ...
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1answer
3k views

saslauthd + PostFix producing password verification and authentication errors

So I'm trying to setup PostFix while using SASL (Cyrus variety preferred, I was using dovecot earlier but I'm switching from dovecot to courier so I want to use cyrus instead of dovecot) but I seem to ...
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1answer
2k views

postfix TLS disconnect from unknown

I install centos 6.4 posttfix with sasl and TLS my postconf -e alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin ...
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1answer
195 views

Postfix SASL SMTP authentication

I installed Postfix & Dovecot on Debian. Then I tried using SMTP authentication according to this guide: http://www.postfix.org/SASL_README.html Unfortunately the following test tails: telnet ...
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2answers
2k views

Upgrading to Debian 7: Postfix Auth fails

I'm upgrading various Debian 6 servers to Debian 7. There are a few minor issues, but this one is a show stopper. On Debian, Postfix runs in a chrooted environment. That environment is setup ...
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1answer
877 views

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 ...
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2answers
2k views

postfwd not rate limiting sasl users

I would like to use postfwd version 2 to limit the amount of daily mail sent by my sasl authenticated users. I installed latest tarball: postfwd-1.35 with latest postfix from Centos 6.4 In my I have ...
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1answer
748 views

Postfix ignoring SASL with dovecot -how to debug?

I recently upgraded my server (Ubuntu 12.03) and today I noticed that SMTP is not offering authentication anymore. My setup is using virtual mailboxes + MySQL. Telnet session: telnet ...
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1answer
523 views

Postfix + sasl method rimap strips domain name from user

I'm setting up a mail server with Postfix and Courier-IMAP. I'd like to do SMTP authentication with rimap, so that I don't have to maintain two user DB's. The problem I'm having, is that the username ...
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1answer
749 views

Postfix (MySQL): Encrypted passwords does not work

Update: I've tried to insert the password in plain text in the DB. That works, and I'm now able to send mail as well. I tried setting up the whole thing (using the guide mentioned) again, but with the ...
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1answer
829 views

generic failure for SASL LOGIN

few years ago I've set up my server using this guide: http://flurdy.com/docs/postfix/ at that time machine was running ubuntu 8.04 LTS, recently I've updated machine to 12.04 LTS but can't force SASL ...
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2k views

Mail server: SASL authentication failure - Postfix + Dovecot + Mysql

I tried to set up my own mail server (postfix, dovecot, mysql, ) and I can connect via imaps/pop3s without any problems. But every time I try to connect to the SMTP server (e.g. with the Apple Mail ...
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2answers
194 views

postfix: set from address when relaying to google mail

I use postfix on a debian server and I have it configured to use gmail as a smarthost (hope I've got that right). How can I set the From: address on my outgoing mails? I need to change that on every ...
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1answer
291 views

postfix relayhost 'Recipient is not recognized. Relay access denied'

im trying to get webmin postfix to send emails through my smtp account with another email provider (in this case lavabit.com) im getting the error 'Recipient is not recognized. Relay access ...
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1answer
250 views

Postfix allows own domains to be sent without asking for logins

Postfix issue, (I asked this yesterday and manged to delete my own post instead of editing it sorry for that) I use Postfix+SASL I got these settings in main.cf: smtpd_sasl_security_options = ...
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248 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 = ...
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1answer
251 views

Limit Port 25 for local delivery only

I have configured my postfix so as users under my server shall send mails through port 587 and port 25 will only be used to receive mails from mail servers. I am successful to the extent that on ...
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1answer
174 views

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 ...
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350 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 ...