Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols.
Questions tagged [sasl]
259 questions
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Getting Hudson to connect to a sasl svnserve install
We are unable to get hudson to connect to our SVN server. We are using SASL and we can connect just fine with tortoisesvn and the standard cli client. However when we try to use hudson we get this error:
Passing user name someuser1 and password you…

Zombies
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Relaying mail through postfix with SASL
I'd like to relay mail from my laptop through my server. I've successfully configured postfix and SASL, and I can AUTH successfully using telnet.
dhcp-241:~ jgorset$ telnet mail.example.com 25
Trying 85.25.124.196...
Connected to…

FRKT
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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 while on port 587 to make secure TLS…

csx4
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Why am I getting Sasl errors when trying to authenticate to SES with Postifx?
I am getting these two errors in my mail logs:
Aug 25 22:51:23 ns1 postfix/smtpd[246267]: warning: unknown[94.156.102.101]: SASL LOGIN authentication failed: authentication failure
Aug 25 22:55:22 ns1 postfix/smtp[247251]: warning: SASL…

cantfetzthis
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OpenLDAP + GSSAPI/Kerberos SASL
I have OpenLDAP 2.5 configured with GSSAPI and Kerberos set up and working. By working I mean I can bind and search when I have a ticket. My question is can I do a bind when I don't have a ticket? Can I set userPassword to {SASL}userid@REALM and…
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SASL authorisation and hostname to access the server
I have a working postfix mail server. It is registered under two DNS names: mail.xxxx.de and xxxx.no-ip.org. I use SASL via dovecot for relay authorisation. It works flawless when the client uses the latter name to access the mail server. However,…

EckartH
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535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6
I have Postfix installed on a Fedora 38 box with the following:
$ grep smtp_ main.cf
smtp_sasl_auth_enable = yes
smtp_sasl_type = cyrus
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =…

ekkis
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Why is my client server unable to send emails over port 587 while a telnet connection to my mail server is possible?
Host cannot send mail over relay host with port 587.
I have two servers. One mail server and one server that uses the mail server as a relay host.
The client server should send over Port 587.
A telnet connection is possible between the client and…

Tom Krebs
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SASL Authentication - Why is it taking so long to login to the authentication server?
I can't describe it properly, but I have a Thunderbird mail client, I use it to receive and send mail through a user I created and an available domain. I use IMAP and POP3 services there, I also have SMTP set up, I have created mail client users in…
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Postfix/Dovecot - Initial Configuration - Can Send, Can't Receive - No Error Message
My configuration allowed me to both send and receive email. I followed a guide on configuring SASL for Postfix/Dovecot. Once done, I again cannot receive email, with the exception of users on the same domain. I tried unsuccessfully to undo the…

Anthony Mallgren
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openLDAP / Sasl - ldap_sasl_interactive_bind_s: Local error (-2)
I configure openldap with sasl bind.
Trying connect:
# ldapsearch -v -H ldaps:// -Y PLAIN -U name@example.com
But getting error:
ldap_sasl_interactive_bind_s: Local error (-2)
I create a config file /etc/sasl2/slapd.conf:
pwcheck_method:…

Serhii
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Postfix: Rewrite header FROM sender based on sasl login username
Lets say I got a sasl login user called myloginuser. The user owns the domain: example.org and has set up following email address: sid@example.org
myloginuser is authenticated and wants to send an email.
His mail client is misconfigured and sets…

TomGrill Games
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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: xxxx.de[xx.xx.xx.98]: SASL LOGIN authentication…

nils50122
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Postfix / Dovecot SASL authentication only working on primary domain
I have had a postfix server running flawlessly for three months now. Users log in to the server in their respective mail clients by connecting to mail.mydomain.com (with SSL) and there's never been any issues with that setup.
However, about a week…

Doofitator
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Can PAM be used with Postfix and Dovecot SASL?
I have set up Postfix to use Dovecot SASL with PAM and Unix users, and Dovecot LDA (LMTP) for local mailbox storage. After some testing, turns out incoming mail gets declined with the reason:
Error: passdb lookup failed for [user]: Configured…

Marty Cagas
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