On Wed, Feb 12, 2020 at 10:03:52AM +0000, Laura Atkins via mailop wrote:
> > On 11 Feb 2020, at 17:01, Scott Mutter via mailop <mailop@mailop.org> wrote:
[..]
> > Your statement is certainly valid, and I don't mean to sound whiny.  But it 
> > is also frustrating when providers (usually large providers, like AT&T) 
> > appear to block an IP for... no apparent reason.  The IP is clean on all 
> > blacklists and SenderScore is 99.  If there were other factors in play I'd 
> > be more apt to understand and investigate who is sending out spam on this 
> > server.  But it's just AT&T blocking it.
> 
> 
> Public blacklists and senderscore are an incredibly limited and, in my 
> experience, pretty useless way to determine your mail is fine. I???ve had 
> hundreds of sales inquiries over the years from folks who admit to me they 
> are spamming. Yet, they will have Senderscores >90 and no public blocklists.
> 
> Lack of negative data does not indicate good behavior. 

Right, but the way around, for bad behavior one should have and provide
data to prove it. 

Johann


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