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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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Postfix SMTP sender access restrictions

The issue: Couple of days ago we faced spam attack from external IP that was using a real external domain to send around 7k email to different external domains like yahoo, hotmail, gmail ....etc, that i had to block that ip by the firewall…
Mohammed Ibrahim
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SMTP-SASL authentification doesn't work

I created another thread previously, where I reported about the problem that I wasn't able to get saslauthd starting up at all: SMTP authentification: saslauthd won't start I now re-installed a completely new Ubuntu 16.04 system on my VPS in order…
c128linux
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Postfix SASL allow SMTP Authentication and relay messages

I am trying to set my SMTP server so it allows only SMTP authenticated users to send emails but the actual sending is done via Mailjet. I am running on Ubuntu 14.04 LTS and Postfix version is mail_version = 2.9.6 If client authenticates with…
Vojtech B
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ldap_bind: Invalid credentials (49) when configuring Pass-Trough authentication with SASL in OpenLDAP with AD

I'm using ubuntu 14.04 and OpenLDAP-2.4.40. I have synchronized Active Directory users in OpenLDAP using LSC utility. Now I want to do the authentications on the OpenLDAP part and will use the AD password using Pass-Trough authentication with…
user376703
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Why does svnserve still ask for password via svn+ssh when sasl is used?

I have svnserve configured to run from inetd and svnserve.conf set to use sasl for authentication. This is so I could allow access to some repositories by users who do not have system-wide accounts using svn://. However, for users who do have a…
sparkyb
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Postfix multi instance with separate SASLDB for each instance

I configured postfix with multiple instances (postmulti), each instance has your own IP address and it´s working great, but I need each instance uses it´s own sasldb2 file to authenticate users. The problem I am consolidating 35 postfix dedicated…
Luiz Gustavo
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How to ensure encrypted OpenLDAP sessions using SASL/GSSAPI

I am running OpenLDAP 2.4 on a Debian jessie system. Clients typically connect to this LDAP server over port 389 using SASL/GSSAPI with our Kerberos infrastructure. When a client connects using SASL/GSSAPI, how should they connect to be sure that…
user35042
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Posfix: SASL authentication failed (unbuntu/office 365)

I'm unable to get postfix to work with our office 365 mail. here's the main.cf file: smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no readme_directory =…
Clinton Gorman
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saslauthd running in segfault after some time

I'm using postfix with courier and mysql for authentication. Lately I have some segmentation faults, which causes sasl deamon to crash. It seems, the have something to do with dictionary attacks on my mail server. In the log files, I got segfault…
Philipp
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Fail2ban bans me after sending successful 5 mails

Dear all I am using Fail2Ban v0.8.13 on CentOS 6 system in order to protect my Postfix servers. Basically it works so after 5 wrong login attempts on SMTP I get banned. Fail2Ban Jail conf [sasl-iptables] enabled = true filter = sasl backend …
megloff
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Users allowed to send mail using postfix

I've installed postfix and opendkim on my ubuntu server, intending to use this server as a private relay for an application to send "activation" emails to new users. I configured SASL authentication with dovecot-commons to protect it. I did a test…
ystan-
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Authnetication failure with postfix and sasl using sasldb

I'm really not sure what my issue is. I've checked several guides, and I am sure I have set this up correctly, including config fails, restarting the service, permissions etc. OS is Ubuntu Server. When testing with testsaslauthd -u…
John Sanders
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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 postfix/qmgr[1932]: EFF031FFE36: from=,…
user289726
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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 authenticationMechanisms=GSSAPI And this is the error that I get: F…
Adrian
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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: ``PLAIN'' with 46 bytes of data SASL (severity 2): Password…
Touch Cat Digital Inc.
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