[CentOS] Centos 6.2 Postfix - forward through SMTP smarthost with SMTP-AUTH [RESOLVED]

Giles Coochey giles at coochey.net
Wed Jan 11 18:12:25 UTC 2012


On 11/01/2012 17:36, Giles Coochey wrote:
> On 11/01/2012 10:33, Benjamin Hackl wrote:
>>
>> $ cat /etc/postfix/main.cf
>> myorigin=yourdomain.com
>> relayhost=your.smarthost.com
>> smtp_sasl_auth_enable=yes
>> ## you probably want to limit how postfix authenticates
>> # smtp_sasl_security_options=noanonymous
>> # smtp_sasl_mechanism_filter=login
>> smtp_sasl_password_maps=hash:/etc/postfix/relay_password
>> ## if something doesn't work and you need detailed(!!) logs
>> #debug_peer_list=your.smarthost.com
>> #debug_peer_level=3
>> smtp_use_tls=yes
>> #inet_interfaces = loopback-only
>> #local_transport = error: disabled
>> unknown_local_recipient_reject_code = 450
>>
>
I was missing:

smtp_sasl_mechanism_filter <postconf.5.html#smtp_sasl_mechanism_filter> 
= !gssapi

Something about GSSAPI auth meant it was tried first, failed, and failed 
permanently.

Disabling that, and it works.

-- 
Best Regards,

Giles Coochey
NetSecSpec Ltd
UK Mobile: +44 7983 877 438
Business Email: giles.coochey at netsecspec.co.uk
Email/MSN/Live Messenger: giles at coochey.net
Skype: gilescoochey



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