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Old 29th November 2011, 05:11
carlos1014 carlos1014 is offline
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Thumbs up SMTP SASL authentication

Hello,

I followed the tutorial for Postfix on Ubuntu 11.10 as well as the workaround for the no mechanism found bug. Everything was working fine, and then...
"New packages found... updating..." Apparently, SASL updated to the version that has the problem. Okay, so I followed the downgrade steps again, but now in my mail.log I simply see:

Code:
 warning: unknown[192.168.1.1]: SASL LOGIN authentication failed: authentication failure
Courier authenticates fine. I thought it might have been a firewall issue, so I temporarily disabled it. No luck... Anyone have any thoughts?

Last edited by carlos1014; 29th November 2011 at 05:57.
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Old 29th November 2011, 06:04
carlos1014 carlos1014 is offline
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Lightbulb Wtf?!

Okay, don't know what happened, but it's working fine now. I don't know what fixed it:
  1. Verified /etc/default/saslauthd matched tutorial
  2. restarted saslauthd and postfix
  3. Rebooted machine after no resolution
  4. Still unable to login after reboot
  5. Edited /etc/postfix/master.cf to "smtp inet - n - - smtp -v" to disable Postfix chroot and get a verbose log
  6. restarted saslauthd and postfix
  7. Stuff started working...
  8. Changed /etc/postfix/master.cf back to original settings (smtp n - - - - smtp) and restarted services

Everything is working fine... Mystery... if anyone can shed some light on this, I'd greatly appreciate it.
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Old 3rd December 2011, 19:01
DaleHutch DaleHutch is offline
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Default

I had the same problem.

Just followed Falko's instructions on bring the version back down and I'm back in business.

Need to get this corrected. Going to be a pain keeping the server up to date.
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Old 4th December 2011, 11:44
Trunkles Trunkles is offline
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Default Still didn't work

I did a complete clean install of 11.10 earlier today.

Lo and behold, mail sending not working.

I did the workaround and that didn't work, so tried editing smtpd.conf to this...

Code:
pwcheck_method: saslauthd
mech_list: plain login pam
allow_plaintext: true
auxprop_plugin: sql
sql_engine: mysql
sql_hostnames: 127.0.0.1
sql_user: root
sql_passwd: <Not gonna tell ya>
sql_database: database
sql_select: select password from mail_user where login = '%u'
Restarted postfix and saslauthd and nope. still can't send.

The client is set to use a normal password and STARTTLS. Is that correct?

Simon.
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