Increased deferrals at Yahoo/AOL/Verizon
Deliverability 101: The Big Three
Oath update: AOL, Yahoo, Verizon MTAs and FBLs
R.I.P. (some) AOL Postmaster tools
Yahoo introduces Google-style image caching in email (UPDATE: confirmed with more details)
AOL mail seeing Yahoo deferrals as mail integration continues
AOL confirms move to shared mail infrastructure with Yahoo
Verizon email is gone, but when?
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