All Questions
79
questions
0
votes
1
answer
99
views
Saslauthd service not starting after upgrade to Ubuntu 24.04
I stuck with not starting saslauthd service after upgrade Ubuntu to 24.04 (it runs along with Virutalmin). So i can't authenticate to smtp (cant send mails, but still can recieve) due to error:
454 4....
- 1
0
votes
0
answers
49
views
Postfix with cyrus and saslauthd always accepts
I want to secure a relay with sasl.
saslauthd works
testsaslauthd -u weberjn -p ***
0: OK "Success."
Tried smtpd_relay_restrictions from the SMTPD_ACCESS_README:
# Relay control (Postfix 2....
- 99
2
votes
1
answer
329
views
SASL authentication failure: Password verification failed even when it works with testsaslauthd
I'm having some trouble configuring client authentication using saslauthd and postfix on ubuntu 22.04. The issue is that users are not getting authenticated although the user exists. It's my first ...
0
votes
1
answer
214
views
Postfix - SASL Cyrus saslauthd authentication failed
Goal: Configure smtpd to authenticate connections by using postfix, cyrus, saslauthd, pam and mysql.
Investigation
Authentication via courier-pop3 & courier-imap using mysql works
saslauthd ...
- 1
0
votes
1
answer
289
views
Postfix / sasldb : "authentication failure"
I'm not a postfix expert... I'm having an authentication problem with posfix 3.5 on debian 11.8.
I've added a test user :
# saslpasswd2 -c test
Password: test
Using swaks to test authentication to ...
- 11
0
votes
0
answers
162
views
postfix secure & insecure connections
I have configured postfix SMTP server for mail sending only with below configurations, I've used cyrus-sasl to authenticate with openLDAP, I want to achieve SMTP port 25 to use insecure connections ...
- 101
0
votes
2
answers
914
views
Postfix smtpd_sender_restrictions with logical AND
I am using postfix, I need to configure sender based restrictions so nobody that is not authenticated & not part of mynetworks can send mail through this server,
this is my smptd sender ...
- 101
1
vote
1
answer
3k
views
testsaslauthd giving "No such file or directory" error
I'm trying to setup a postifix server with virtualmin and while doing so I ran into a SASL error that said "No such file or directory". So I tried testing it with "testsaslauthd -u ...
- 11
0
votes
1
answer
1k
views
Relay access denied on VPS (error 554 5.7.1)
I'm trying to figure out how to solve a problem on my VPS, maybe you can help me :D
Long story short: this is the first time I operate on a Bare Metal VPS, and I'm trying to setup the mail server.
...
1
vote
1
answer
3k
views
Fail2Ban - Posfix-SASL not working
i have a problem that my fail2ban will not ban sasl authentications against my postfix.
This is an example log entry from /var/log/syslog:
Jul 31 13:42:21 v50428 postfix/smtps/smtpd[635398]: warning: ...
- 31
1
vote
0
answers
64
views
Tell saslauthd to reject authentication attempts for all domains other than ours
We are running Postfix and require authentication for the sending of mail through SMTP. The authentication uses Cyrus' saslauthd which does a Kerberos authentication against our Kerberos domain.
Is ...
- 2,721
1
vote
1
answer
674
views
Postfix: how to use SASL authentication?
Hi I am trying to use a very simple sasl authentication. I have been testing the method here but still encounter error.
my server is a fresh install server.
And the command I run:
# saslpasswd2 -c -u ...
- 121
0
votes
0
answers
583
views
Cyrus-sasl config in Postfix in FreeBSD without dovecot
Good Afternoon, I have installed a Freebsd 12.1 with postfix and when trying to start see this in /var/log/maillog
warning: SASL: Connect to /usr/local/lib/sasl2/smtpd.conf failed: No such file or ...
- 7
0
votes
0
answers
522
views
postfix+saslauthd+pam_mysql adds EOL to passwords, thus breaks
I'm trying to use the pam_mysql module in conjunction with postfix and saslauthd. Everything appears to be working, except the actual password comparison is failing.
Note: the case being tested is ...
1
vote
1
answer
2k
views
Can't telnet to Postfix SMTP server after adding smtpd_sasl_auth_enable option
I have the Postfix SMTP server installed on my CentOS 7 machine on port 25.
To test that it's working, I connect to it using telnet, like this:
# telnet localhost 25
and the result is:
Trying ::1....
- 1,552
5
votes
1
answer
6k
views
Log username in maillogs when there is SASL authentication failure
I have a server with postfix and cyrus-sasl. When ever there is an authentication failure it reports in maillog below line.
postfix/smtpd[27669]: warning: unknown[185.xxx.xxx.xxx]: SASL LOGIN ...
- 71
2
votes
1
answer
3k
views
What is wrong with my SASL?
So the story goes: I have a score of CentOS 6.9 virtual machines, migrated to Microsoft's Azure cloud by VHD upload. Once deployed I found out that Azure doesn't allow to send out email directly from ...
- 150
-1
votes
1
answer
971
views
postfix fails to autheticate aginst saslauthd
I have a weird problem trying to autheticate postfix against saslauthd.
I am on a standard linux system:
Linux smswtc 3.16.0-4-amd64 #1 SMP Debian 3.16.51-3 (2017-12-13) x86_64 GNU/Linux
postfix ...
0
votes
1
answer
6k
views
sasl authentication with postfix
I have a weird problem on postfix trying to authenticate user/pass saslauthd
relevant lines in mail.log
Feb 14 16:06:21 smswtc postfix/smtpd[3577]: warning: SASL authentication failure: Requested ...
0
votes
1
answer
2k
views
Postfix SMTP SASL Authentication with pam_mysql can't accept email addresses as username
I'm currently trying working on a project to update an existing postfix deployment. I'm having issues with authenticating users against smtp.
The primary issue I have is that our postfix users ...
- 219
2
votes
1
answer
3k
views
Postfix+saslauthd: pam_unix(smtp:auth): authentication failure
I'm run postfix 2.10 + Cyrus sasl 2.1 + Dovecot 2.2 on Oracle Linux 7.
Dovecot works with saslauthd normally, but Postfix always failed on authentication, wish someone can help to check what problem ...
- 21
3
votes
1
answer
931
views
apt-get purge removing seemingly unrelated packages
I somehow managed to remove the /var/run/saslauthd directory while installing authentication for Postfix, so I was trying to apt-get purge and then reinstall the various saslauthd packages in order to ...
- 131
1
vote
1
answer
6k
views
Postifx and Dovecot: fatal: no SASL authentication mechanisms
When I sent an test mail from my Gmail to my server, I get this error:
fatal: no SASL authentication mechanisms
Here is all my configuration files and log files, to help us:
/var/log/maillog
Nov ...
- 11
1
vote
1
answer
991
views
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 ...
- 41
1
vote
1
answer
1k
views
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 ...
- 111
0
votes
1
answer
2k
views
Unable to send email from Command Line in Postfix (warning: TLS library .....)
I configured postfix with ssl/tls. and created an smtp. However I am unable to send test email and/or login.
"Text below first defines error log (different attempts) and then configuration files."
...
- 63
1
vote
1
answer
507
views
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 ...
- 37
0
votes
0
answers
1k
views
fail2ban saslauth ban not working
when I run:
fail2ban-regex /var/log/mail.warn /etc/fail2ban/filter.d/sasl.conf
output:
Date template hits:
8158 hit(s): MONTH Day Hour:Minute:Second
0 hit(s): WEEKDAY MONTH Day Hour:Minute:Second ...
- 83
2
votes
1
answer
2k
views
Postfix + SASL using wrong query to authenticate
I recently set up postfix + dovecot on a aws ec2 instance following this guide: http://flurdy.com/docs/postfix/#config-secure-auth
Currently I'm stuck with SASL.
The SQL query doesn't seem to be ...
- 165
2
votes
1
answer
1k
views
Properly Configure Postfix to be secure (SASL + TLS)
I've followed online tutorials online to setup my mail server with SASL and TLS, and amavis.
It all seems to works - except i can send mails even if i don't authenticate first - which is not good.
I ...
- 167
1
vote
2
answers
3k
views
Postfix config for virtual aliases and sasldb
I'm trying to set-up postfix to handle several domains as aliases, with an SMTP server accepting incoming mails from these domains with sasldb authentication. The documentation looks quite old, and ...
- 13
1
vote
0
answers
573
views
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.
...
- 11
1
vote
1
answer
2k
views
Setup Postfix with SMTP-AUTH over SASL2 with SASLDB for users to send emails
Hello,
I spent the last few days trying to setup Postfix with SASLDB to send emails from my application over SMTP on Ubuntu Server 15.04. I searched, read and tested a lot about it but I can't get it ...
- 121
1
vote
1
answer
6k
views
Postfix SMTP+saslauthd autentication failure
I try to implement SMTP authentication with postfix and saslauthd on Ubuntu.
My IP is W.X.Y.Z, and my VPS IP is W'.X'.Y'.Z'.
My user is JohnDoe and my hostname is server.
It doesn't work, here are ...
- 11
6
votes
4
answers
49k
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 = ...
- 1,968
3
votes
1
answer
360
views
Ubuntu: Postfix and Cyrus expecting saslauthd PID file in different locations
I'm running postfix and cyrus in parallel on my server, as far as I understand this is a quite common think to do. Both daemons use sasl authorization. However, postfix is looking for the saslauthd ...
- 31
2
votes
2
answers
27k
views
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 =...
- 1,968
2
votes
2
answers
1k
views
Postfix omits realm (@domain) when checking for smtpd pam+mysql authentication
I've trying to configure Postfix so users can send email through SMTP having a username and password. And I'm trying to store credential within a MySQL database. I've taken the path of saslauthd and ...
- 519
2
votes
1
answer
945
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: ...
- 369
1
vote
1
answer
1k
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 myself@...
- 1,690
2
votes
0
answers
330
views
How to pass full user name to saslauthd from postfix [duplicate]
I'm trying to configure postfix for SMTP Auth using Cyrus saslauthd and an rimap configuration. I have it working, except for the fact that, due to virtual domains, the auth username for my IMAP ...
- 2,472
2
votes
1
answer
347
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 ...
- 139
0
votes
1
answer
10k
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 ...
- 79
2
votes
2
answers
3k
views
Debugging a Postfix Saslauthd PAM-PGsql authentication failure
I've set up pam-pgsql to lookup passwords in my database for Postfix via Saslauthd.
I can test credentials using the command line:
$ sudo testsaslauthd -u [email protected] -p password
0: NO "...
- 261
1
vote
1
answer
3k
views
imapd-ssl: admin: No such file or directory
I am trying to set up my VPS so I can use Thunderbird IMAP to manage my mails. First, I installed postfix and followed this guide to create an SSL certificate. Then I installed sasl2-bin and courier-...
- 123
1
vote
1
answer
2k
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 ...
- 113
1
vote
0
answers
2k
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 ...
- 145
3
votes
1
answer
16k
views
SASL authentication failure: Password verification failed (postfix + cyrus + saslauthd)
We're having difficulties authenticating over smtp, running postfix + cyrus on centos 7.
When I try to telnet to port 25 (or 587) locally and auth plain, I get the following errors in the mail log:
...
- 221
9
votes
1
answer
16k
views
Postfix on CentOS 7 cannot authenticate against cyrus saslauthd
Postfix fails to authenticate against cyrus saslauthd. However, saslauthd itself is willing to authenticate. What am I missing?
From syslog mail facility:
Aug 5 14:47:26 centos7-msa-test postfix/...
- 13.1k
7
votes
3
answers
16k
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 ...
- 155