Sasl Login Authentication Failed Invalid Authentication Mechanism

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Mar 03, 22 (Updated: Sep 09, 22)

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1. Stackoverflow.com
Scholar Stockholm, Sweden 2 years ago

Invalid authentication mechanism on Rails using Postfix and ...

https://stackoverflow.com/questions/15011663/sasl-login-authentication...

SASL LOGIN authentication failed: Invalid authentication mechanism on Rails ... + inet_interfaces = all message_size_limit = 0 # SMTP Authentication (SASL) ...

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2. Qnap.com
Explainer India 2 years ago

SASL LOGIN authentication failed - QNAP Forum

https://forum.qnap.com/viewtopic.php?t=152052

Hi, just came across the same issue and the solution is that your mail server must support "LOGIN" besides "PLAIN" as auth mechanism.

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3. Howtoforge.com
Disciplined London, United Kingdom 2 years ago

Postfix sasl log "SASL LOGIN authentication failed:"

https://www.howtoforge.com/community/threads/postfix-sasl-log-sasl-log...

David, != is technical language for "does not equal", so in this case, the SASL LOGIN authentication failed message doesn't mean the account has ...

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4. Marc.info
Announcer Media, PA, United States 2 years ago

Re: SASL LOGIN authentication failed - Marc.Info

https://marc.info/?l=postfix-users&m=134523579030518

... Re: SASL LOGIN authentication failed: Invalid authentication mechanism ... [email protected]: > > I am trying to get SASL (with dovecot) setup on ...

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5. Narkive.com
Announcer Minnesota 2 years ago

SASL LOGIN authentication failed: Invalid ... - narkive

https://mailing.postfix.users.narkive.com/rWt9qSGL/sasl-login-authenti...

I am trying to get SASL (with dovecot) setup on postfix 2.6.6 and receiving this warning: warning: domain.tld[ip.add.re.ss]: SASL LOGIN authentication ...

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6. Spinics.net
Organizer 2 years ago

Parsing "Invalid authentication mechanism" in postfix - spinics ...

https://www.spinics.net/lists/fail2ban/msg02234.html

"SASL LOGIN authentication failed: Invalid authentication mechanism”. I dug into this a bit on the fail2ban GitHub site and found an issue ...

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7. Bobcares.com
Outspoken Copenhagen, Denmark 2 years ago

SASL login authentication failed generic failure - Bobcares

https://bobcares.com/blog/sasl-login-authentication-failed-generic-fai...

What causes “SASL login authentication failed: generic failure” ? ... Now that we have an idea about SASL, let's check the causes for the error.

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8. Serverfault.com
Critic Los Angeles, CA 2 years ago

authentication failure" with postfix and dovecot sasl ...

https://serverfault.com/questions/1035627/535-5-7-8-error-authenticati...

I'm testing remote smtp login on a server and keep getting 535 5.7.8 Error: authentication failed: authentication failure errors in the syslog and mail.log.

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9. Mail-archive.com
Explainer Columbus, OH, United States 2 years ago

No, Postfix is logging the stage of an authentication failure in the SASL LOGIN mechanism. It would be unwise to routinely log the wrong credentials used by ...

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Organizer Singapore 2 years ago

While most SALS errors do result in a ban, the following does not: >>> "SASL LOGIN authentication failed: Invalid authentication mechanism” ...

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10. Plesk.com
Refiner 2 years ago

Unable to send an email from a Plesk server with Postfix

https://support.plesk.com/hc/en-us/articles/213373249-Unable-to-send-a...

... an email from a Plesk server with Postfix: SASL login authentication failed ... The saslauthd service is up and running on the server:.

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Announcer Netherlands 1 year ago

Outlook fails to send an email: SASL authentication failure. On ...

https://support.plesk.com/hc/en-us/articles/213917625-Outlook-fails-to...

Applicable to: Plesk for Linux Symptoms On attempt to send an email via Microsoft Outlook, the login/password prompt appears and does...

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11. Drupal.org
Informed Bengaluru, India 1 year ago

Invalid authentication mechanism - 535 5.7.8 Error - Drupal

https://www.drupal.org/project/smtp/issues/2906460

535 5.7.8 Error: authentication failed: Invalid authentication mechanism ... SMTP -> get_lines(): $str is "250-AUTH PLAIN "

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12. Askubuntu.com
Legendary Bengaluru, Karnataka, India 1 year ago

Postfix SASL LOGIN: 535 5.7.8 Authentication failed - Ask ...

https://askubuntu.com/questions/1209713/postfix-sasl-login-535-5-7-8-a...

Your E-Mail Account or E-Mail-Account-Passwort is wrong, change the password for E-Mail Account and try again.

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13. Cyberpanel.net
Explainer Dharan, Eastern Region, Nepal 1 year ago

I can receive but I can not send emails. HELP!

https://community.cyberpanel.net/t/i-can-receive-but-i-can-not-send-em...

... aldecospa postfix/smtpd[3399]: warning: unknown[178.141.251.45]: SASL LOGIN authentication failed: Invalid authentication mechanism Sep ...

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Outspoken 1 year ago

Email Received successfully but not send from RainLoop

https://community.cyberpanel.net/t/email-received-successfully-but-not...

... localhost postfix/smtpd[8527]: warning: unknown[212.70.149.4]: SASL LOGIN authentication failed: Invalid authentication mechanism

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14. Roundcubeforum.net
Teacher Tennessee 1 year ago

Postfix SASL - Authentication failure - Roundcube Forum!

https://www.roundcubeforum.net/index.php?topic=1001.0

[21-Dec-2006 17:58:19 +1100] SMTP Error: SMTP error: Authentication failure: Invalid response code received from server

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15. Synology.com
Announcer Barcelona, Spain 1 year ago

Email notifications failing with "Invalid Auth Mechanism"

https://community.synology.com/enu/forum/17/post/50659

Failed to send email. (535 5.7.8 Error: authentication failed: Invalid Authentication Mechanism) This server is currently working fine with ...

4
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16. Stackexchange.com
Outspoken Chennai, Tamil Nadu, India 1 year ago

Auth error when sending mail through Postfix with SSMTP

https://unix.stackexchange.com/questions/337724/auth-error-when-sendin...

SASL LOGIN authentication failed: Invalid authentication mechanism Jan 16 10:29:54 postfix/smtps/smtpd[13601]: lost connection after AUTH ...

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17. Ubuntuforums.org
Explainer 1 year ago

[ubuntu] Postfix Dovecot Sasl and no authentication [Archive]

https://ubuntuforums.org/archive/index.php/t-1655501.html

Those tutorials that cover more than Postfix, Dovecot, and SASL; ... SASL user authentication failed: Invalid authentication mechanism

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18. Zentyal.org
Announcer 1 year ago

SASL LOGIN authentication failed - Zentyal Forum

https://forum.zentyal.org/index.php?topic=34952.0

SASL LOGIN authentication failed: Invalid authentication mechanism.

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19. Github.com
Critic 1 year ago

postfix-sasl: ignore "Invalid authentication mechanism" #1297

https://github.com/fail2ban/fail2ban/issues/1297

Jan 14 16:18:16 elfe postfix/smtpd[14933]: warning: host[IP]: SASL CRAM-MD5 authentication failed: Invalid authentication mechanism.

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20. Virtualmin.com
Guru Bangalore, Karnataka, India 1 year ago

Fail2Ban error in Postfix-sasl - Virtualmin

https://forum.virtualmin.com/t/fail2ban-error-in-postfix-sasl/105537

CRAM|DIGEST)-MD5) authentication failed:(?! Connection lost to authentication server| Invalid authentication mechanism)

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21. Archlinux.org
Outspoken Nagoya, Aichi Prefecture, Japan 1 year ago

Fail2ban not work / Networking, Server, and Protection / Arch ...

https://bbs.archlinux.org/viewtopic.php?id=264260

fail2ban-regex /etc/fail2ban/test/test.log "\[<HOST>\]: SASL ((?i)LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed:(?

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22. Abuseipdb.com
Populist 48° 30' N 009° 0' E 1 year ago

14.29.179.99 | ChinaNet Guangdong Province Network

https://www.abuseipdb.com/check/14.29.179.99

lfd: (smtpauth) Failed SMTP AUTH login from 14.29.179.99 (CN/China/-) ... warning: unknown[14.29.179.99]: SASL LOGIN authentication ... show moreOct 2 ...

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23. Postfix.org
Informed UK 1 year ago

Postfix SASL Howto

http://www.postfix.org/SASL_README.html

Enabling SASL authentication in the ... these two mechanisms, and authentication will fail ...

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24. Zimbra.com
Guru 1 year ago

Saslauth Failed (curl easy perform error) - Zimbra :: Tech Center

https://wiki.zimbra.com/wiki/Saslauth_Failed_(curl_easy_perform_error)

1 Saslauth Failed (curl_easy_perform error) ... warning: unknown[10.0.7.162]: SASL LOGIN authentication failed: authentication failure Nov 28 15:06:57 mbox1 ...

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