Why does my SharePoint News digest not reach my colleagues?

I thought that was a great question, so I started investigating, including the regular News Digest option as well, since issues can occur there too.

I focused on technical/functional reasons, reading “not getting them” as “not receiving them in their mailbox” rather than not understanding what they are about. (But there’s an explanation on how it works from Microsoft in this post as well!)

A. Regular News Digest

1. Organization: There has been an email glitch in your organizations Outlook/Exchange
2. Sender: You have exceeded the Outlook sending limitations
3. Sender: you have more than 256 characters in your subject line
4. Sender: your digest mail is seen as Junk Mail
5. Recipient: Has deliberately blocked your email address, reported earlier newsletters as Junk and/or has set a Rule to send your mails to the Deleted Items
6. Recipient has accidentally deleted or archived the mail
7. Recipient’s mailbox is full

News you might have missed:

8. Organization: it has been disabled on organizational level
9. Organization: There has been an email glitch in your organizations Outlook/Exchange
10. Recipient: There is no news that they have missed
11. Recipients have turned off their subscription in the email or on their SharePoint page
12. Recipient: Has deliberately blocked noreply@sharepointonline.com, reported earlier digests as Junk and/or has set a Rule to send mails from this sender to the Deleted Items
13. Recipient has accidentally deleted or archived the mail
14. Recipient’s mailbox is full

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