Re: Problems sending mail to yahoo?

[Chris Stone <cstone () axint net>]

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Raymond L. Corbin wrote:
> Hello,
>
> I have had to tell some dedicated server clients that they will need to disable their forwards to Yahoo or add 
> something like postini for those accounts that forward to Yahoo...It generally works...however Yahoo! for the past 
> three months is now blocking entire /24's if a few IP's get complaints. They have the feedback loops however when you 
> have a network with 175,000 IP addresses and you sign up for a feedback loop for them all they tend to flood your 
> abuse desk with false positives, or forwarded spam. They also don't keep track of which IP's are getting the 
> complaints for you to investigate after the block on the /24 so asking them won't help :(. This potentially means one 
> customer could easily effect the other customer. They offer whitelisting, but this won't get you passed their blocks 
> on the entire /24. They apparently will eventually accept the message because they aren't necessarily 'blocked' but 
> they are 'depriortized' meaning they don't believe your IP is importan
t enough to deliver the message at that time, so they want you to keep trying and when their servers are not 'busy' or 
'over loaded' they will accept the message. (Paraphrased from conversations with their 'Bulk Mail Advocacies and 
Anti-Abuse manager.)

I've had to tell some of our customers the same and that if they wanted to
continue the forwarding to their yahoo.com accounts, they'd need to add spam
filtering to their accounts here so that the crap is not forwarded,
resulting in the email delays for all customers. Works for some and
generated more revenue.... ;-)


Chris

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