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General DNS & Domains Dyn Email Update Clients

Is yahoo.com blocking email from mailhop.org?

Can anyone send emails to @yahoo.com using MailHop Outbound? It's been working fine for me for over a year, and suddenly stopped working today.

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asked Mar 17 '10 at 10:11 PM in Default

Matthew gravatar image

Matthew
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Cry Havok gravatar image Cry Havok ♦ Apr 18 '10 at 06:33 PM

Originator not revisited the question in over a month, closing to stop the forum bot bumping it pointlessly.

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When you say "stopped working" - exactly what's happening? If it's a rejection message, can you provide the full details (obscuring addresses as appropriate).

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answered Mar 17 '10 at 10:25 PM

Cry Havok gravatar image

Cry Havok ♦
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Matthew gravatar image Matthew Mar 17 '10 at 10:32 PM

I initially thought Yahoo.com was rejecting the messages, but it turns out it is still delivering them, but with a 20-30 minute delay. I looked into the support on dyndns some more, and it sounds like yahoo may be "greylisting" mailhop.org - that is, to prevent spam, it delays messages instead of rejecting them.

Cry Havok gravatar image Cry Havok ♦ Mar 17 '10 at 10:38 PM

Yahoo are well known, along with Hotmail, for "creative" mail filtering. I'm not surprised they're now greylisting.

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