I have ceased to receive all e-mail notification
...of personal messages.
...of postings on forums which I moderate
...about specific threads where my notification ...option is enabled.
...verification of password change via e-mail.

About the same time my problem began, I did remove myself from email notification on several (but not all) specific postings. It seems this removal caused me to lose all e-mail notification.

How do I resolve? I have Administrator rights. Any help would be appreciated.
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Addendum:
I have checked with other members. The problem seems confined to me.

I have confirmed that my personal profile option "email notification of personal messages" is enabled.. I even disabled and re-enabled and this did not resolve the problem. I changed my e-mail address and this did not resolve the problem.

All of my direct personal email on the same address seems to come thru without difficulty.