Delay in Mac Mail receipt

why is there a big delay in receiving emails in mac mail but not on an iPhone? Can be over 24 hrs or not at all sometimes.

iMac Pro

Posted on Sep 17, 2020 3:35 AM

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2 replies

Sep 19, 2020 2:44 PM in response to BrendaJeanDent

Hello BrendaJeanDent,


Welcome to Apple Support Communities. It sounds like you're having trouble with a delay in receiving email on your Mac. We are happy to share information that may help.


Check out the steps here, and give those a try: If you can't receive email on your Mac.


You may also want to start up your Mac in safe mode to see if the issue continues: How to use safe mode on your Mac.


Finally, test the issue in another user account: Set up users, guests, and groups on Mac.


Take care.

Sep 19, 2020 7:34 PM in response to melissa_m77

Hi, thanks for the advice but sadly it didn't work.

I have narrowed the issue down to being emails with attachments sent from my Outlook account on a different device, to my macmail account on my iMac. I've had some "undeliverable messages" stating something about a throttled sender.

My ISP, which the imac/mac mail account are related to, don't seem to be able to resolve the issue.


any other suggestions I can try pls?

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Delay in Mac Mail receipt

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