On 10/7/2014 10:53 AM, Viktor Dukhovni wrote:
> On Tue, Oct 07, 2014 at 11:32:47AM -0400, Wietse Venema wrote:
> 
>> What else needs to be considered?
>>
>> There are more settings whose defaults can be confusing to people
>> who aren't familiar with 10+ years of Postfix history.
>>
>> - relay_domains (default: $mydestination). This should be empty.
>>
>> - mynetworks-style (default: subnet). This should be "host".

I like the above two changes.  The defaults often are confusing for
people new to postfix.

>>
>> - parent_domains_matches_subdomains.  I am reluctant to change this
>>   because it affects so many Postfix features. A cascade of warning
>>   messages could be confusing.

Almost every postfix how-to on the web assumes this feature defaults
on.  Changing the default will be painful.

> 
> Also:
> 
>     smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, 
> defer_unauth_destination
> 
> could become:
> 
>     smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, 
> reject_unauth_destination
> 

I think this feature is too new to change the safe default.



 -- Noel Jones

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