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Re: AOL to ESPs: Comply with SPF, Or Else

2004-06-12 02:30:26
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Fredag den 11. juni 2004 20:28 skrev Meng Weng Wong:
I think we'll see the following stages occur over time:
2) receivers start honouring "-all" and rejecting
   nonconformant mail.  (requires forwarders to upgrade to
   SRS/SUBMITTER.)

No - receivers only need that if they use forwarders... :-) So you 
should divide the 2nd point into:

2a) receivers that don't use forwarders or that whiteliste forwarders 
start honouring "-all" and rejecting nonconformant mail.

2b) receivers that only use whitelisted forwarders and SRS/SUBMITTER 
supporting forwarders, start honouring "-all" and rejecting 
nonconformant mail.

Please remember, that if a company starts to reject nonconformat 
e-mails, those users that use forwarders that don't have SRS or 
SUBMITTER, will get all e-mails to their forwarding e-mails rejected 
by the company mail system. It is fairly easy for a company to reject 
complaints from employees that have trouble with this, because 
SRS/SUBMITTER compliants forwarders exist, and if the forwarding 
relates to the business, whitelisting of the forwarder can also be 
done.

Lars.

- -- 

Mobil: 20331241
Evt.: 70201241
Fax.: 70201242

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