Re: [exim] Cannot send mails to @hotmail.com addresses

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Συντάκτης: Mike Cardwell
Ημερομηνία:  
Προς: exim users
Αντικείμενο: Re: [exim] Cannot send mails to @hotmail.com addresses
David S. Madole wrote:

>> I did consider that. The headers on their own don't seem to
>> be a free pass, but they do help. Otherwise any old spammer
>> could spam all the hotmail addresses they wanted.
>
> Except that it's expensive for spammers to send large messages because they are sending millions. Every extra byte is multiplied by a large factor.
>
> Likewise, it's not at all unusual for SpamAssassin installations to bypass scanning for messages over some certain size because scanning is expensive, so Hotmail is not nearly unique in this.


I was directly referencing the concept of adding fake In-Reply-To and
Reference headers here, not the addition of the "fodder" headers,
otherwise you'd be correct.

Mike