Mike Horwath wrote:
On Sun, May 22, 2005 at 10:27:49AM +0200, Martijn Lievaart wrote:
Ah, but keep in mind that the external provider must know your valid
users, or you'll create backscatter. And that alone is reason for
blocklisting by many today. Even the popular spamcop blocklist
accepts backscatter as a submission criterium.
Well, I don't know who you have used as an outsourced AS/AV company
before, but any I have used or checked out in the past actually do
verify remote before accepting *any* message.
Be careful with your blanket statements.
Although I until now never saw one do that (and f.i. our IRS gets it
wrong, getting AV/AS from the biigest telecom provider here. But I only
said that you must not create backscatter, thank you for reitterating my
point.
M4
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