ISP Postmaster sites

A number of ISPs have email information and postmaster sites available. I found myself compiling a list of them for a client today and thought that I would put up a list here.

How to improve AOL delivery
40 email companies

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Yahoo blocks unauthenticated PayPal and eBay Mail

Yahoo announced this morning that over the course of the next few weeks Yahoo would roll out a new feature to their email that blocks any unauthenticated email from eBay and PayPal.
In a blog post Nikki Dugan says:

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More on Truthout

Ken Magill comments on the reaction of truthout.org to being blocked by AOL and Hotmail.
I do agree with Al, if both AOL and Hotmail are blocking your email, then you’re doing something wrong.

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Busy Busy.

Getting ready to head to MAAWG next week. We leave for the plane in a couple hours. I expect there will be some interesting information coming out of the talks and sessions and will be sharing some of the more interesting bits throughout the week.
Also, Steve has written a new tool to visualize blacklists. He’s put up a beta version. It still has a few bugs and missing features, but there are already some interesting patterns in XBL data with it.
The demo installation only displays XBL data (rather than letting you overlay multiple datasets) and is missing search and bookmarking, amongst other things. Enough disclaimers yet?

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