Re: [spf-discuss] SPF, DKIM, and NIH
2009-10-14 15:04:07
At 19:35 14/10/2009 Wednesday, Alessandro Vesely wrote:
Ian Eiloart wrote:
One strategy I'm considering is to start rejecting content filtered
email (at end of message)
We do that. We don't quarantine anything: if we don't like it, we reject it
at smtp time, otherwise we deliver it with spamassassin comments added, so
that users can filter if they wish. Above a certain threshold, though, we
simply reject.
The common criterion for dropping is that by rejecting you are providing a
free test machine for spammers to keep trying various alternatives until they
get the message through. (Well, transferring SA comments to a multi-line
rejection text isn't usually provided.)
the opposing view is of course by rejecting the spammer usually dosn't profit
accepted messages {even if spamfoldered or quarantined} are still counted as
deliveries and thus result in profit
also rejections from false-positives give the sender an opportunity for
response, out of band contact for whitelisting, or other remediation
accept>dump gives no way for sender or recipient to detect and remedy false
positives
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- Re: [spf-discuss] SPF, DKIM, and NIH, (continued)
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, David MacQuigg
- Re: [spf-discuss] SPF, DKIM, and NIH, Alessandro Vesely
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, Stuart D. Gathman
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, Stuart D. Gathman
- Re: [spf-discuss] SPF, DKIM, and NIH, Alessandro Vesely
- Re: [spf-discuss] SPF, DKIM, and NIH,
alan <=
- Re: [spf-discuss] SPF, DKIM, and NIH, Alessandro Vesely
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, Stuart D. Gathman
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, Hector Santos
- Re: [spf-discuss] SPF, DKIM, and NIH, Hector Santos
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
- Re: [spf-discuss] SPF, DKIM, and NIH, Hector Santos
- Re: [spf-discuss] SPF, DKIM, and NIH, David MacQuigg
- Re: [spf-discuss] SPF, DKIM, and NIH, Ian Eiloart
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