From: Jay Chandler (chandler.listschapman.edu)
Date: Fri Aug 31 2007 - 14:17:32 CDT

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K. C. Li wrote:
> Due to the defensive blocking of port 25 by some ISPs, we wish to
> configure an additional SMTP port on our postfix server to listen in for
> those that couldn't access our server via port 25.
>
> I am having trouble locating the correct parameter to specify the
> additional port. Please advise how it could be done or where to look.
> Also, is there a "standard" alternative port for SMTP please?
>
> Thank you.
>
> Regards,
>
> Kwong Li
> Laser Business Systems Ltd, UK
> http://www.laser.com
> http://www.cbus-shop.com
>
>
Uncomment the lines about submission in master.cf-- that'll allow SASL
authentication to the submission port, traditionally 587. You might
also want to read up on configuring SASL...

-- Jay

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