Comments on: Configure postfix to use smart host http://www.bergek.com/2009/02/22/configure-postfix-to-use-smart-host/ About the web we live in and gadgets in general. Mon, 08 Aug 2011 09:38:23 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Mikael Vejdemo-Johansson http://www.bergek.com/2009/02/22/configure-postfix-to-use-smart-host/comment-page-1/#comment-8944 Mikael Vejdemo-Johansson Tue, 14 Dec 2010 18:51:42 +0000 http://www.bergek.com/?p=292#comment-8944 For some servers that only accept PLAIN and LOGIN authentications, this config above is not going to be enough, since postfix defaults to no plain-text authentications. If your relay sending sessions terminate with <code> status=deferred (SASL authentication failed; cannot authenticate to server smtp.bredband.net[195.54.106.231]: no mechanism available) </code> then you'll need to add the line <code> smtp_sasl_security_options = </code> to main.cf in order to turn off the noanonymous and noplaintext security options to SASL. For some servers that only accept PLAIN and LOGIN authentications, this config above is not going to be enough, since postfix defaults to no plain-text authentications.

If your relay sending sessions terminate with

status=deferred (SASL authentication failed; cannot authenticate to server smtp.bredband.net[195.54.106.231]: no mechanism available)

then you’ll need to add the line

smtp_sasl_security_options =

to main.cf in order to turn off the noanonymous and noplaintext security options to SASL.

]]>