[Greylist-users] Adelphia vs greylisting

[Dave Anderson]

** Reply to message from Barb Dijker <barb at netrack.net> on Sun, 25 Sep
2005 10:30:53 -0600

>We had a problem with a cable company that would not retry soon after  
>the block (5 minutes), but would retry once at 24 hours and then  
>never again.  I don't recall what company it was.  So we tried  
>opening up our retry time to 25 hours.  It didn't appreciably  
>increase spam, so that's where we left it.  I hate one-off whitelisting.
>
>The spec doesn't say how soon one must retry.  In some logic, for  
>some sites, waiting a day may make sense.

See RFC 1123 section 5.3.1.1 -- while this cable company's behavior may
not violate the strict letter of the law, it certainly violates its
spirit.

FWIW,

	Dave

-- 
Dave Anderson
<dave at daveanderson.com>