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Tag: greylisting

Blocking mail to spamcop.net

Josh reports mail from MobileMe to spamcop.net addresses is being filtered somewhere and isn’t being delivered or actively bounced. He asserts that Apple is blocking all mail to Spamcop addresses because they were having problems getting blacklisted on SpamCop and implemented this as a way of reducing their number of SpamCop spamtrap hits. That makes […]

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  • Ongoing Yahoo delays

    I've been hearing from folks over the last few days that they're seeing an uptick in deferrals from Yahoo! The deferrals are not uniform. ESPs report they're seeing some, but not all, customers affected. Other ESPs aren't seeing any changes. It's not just you. But it would be very worthwhile to dig into engagement and other stats. It's possible this is a new normal at Yahoo! and they're tightening filters to catch mail that doesn't fit their standards but was previously difficult to filter.No Comments


  • AOL starts using Sender Score Certification

    Good news for Sender Score Certified IPs. Return Path recently announced that AOL has joined the list of ISPs offering preferential treatment to certified IPs.  1 Comment


  • iCloud Service Disruption

    40% of iCloud users were affected this morning during a service disruption between 2:15AM and 9:30AM. Apple System StatusNo Comments


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