Neil Youngman wrote:
>> From: ROGERS Richard [mailto:Richard.Rogers@staffs.ac.uk]
>>
>> Would it not be possible to do such rejections without loss of
>> compatibility by offering it as an "opt in", at least in the first
>> instance? (that is, you would have to set strict address checking on,
>> but the default is off)
>>
>
> I would suggest that a compatible approach would be a new ACL in the
> default exim.conf. This would mean new installs would get the checking
> by default and old installs would be able to merge the change if they
> chose.
>
>
I opt for the way Richard has suggested it.
My reason: The method used to reject something that is not RFC
conforming by a lengthy ACL makes the configuration just bigger and more
prone to errors than a new option like strict_sender_address_check ON/OFF.
But that are just my 2 cents...
Oliver