Reply to post: Office 365 Bcc copies addresses to everyone?

NHS IT bod sends test email to 850k users – and then responses are sent 'reply all'

Anonymous Coward
Anonymous Coward

Office 365 Bcc copies addresses to everyone?

"asking you why you didn't use the Bcc field and why everyone now has their email address,"

When I had transferred my Demon.co.uk email to Namesco Exchange Office 365 a few months ago - I sent out an email to several contacts to inform them that my email was up again. I used Bcc as a matter of habit.

Imagine my surprise when one of them replied saying that the email contained ALL the recipients' email addresses. I did a test using a message to my different domains - and sure enough Bcc via Office 365 was showing all the addresses to each recipient.

Today I discovered that Office 365 had also automatically invoked something it called "de-cluttering". Basically it decided that any emails I had read - then immediately deleted - were a sign of a "clutter" email. Thereafter it silently put new instances in an IMAP "clutter" folder rather than my "new mail" folder. That clutter folder now contained most of my eBay search or watched item monitoring emails plus a few order confirmations for several months. It took a while to find how to switch it off.

While finding the option I discovered several messages in the Admin control panel telling me that a wonderful replacement for "clutter" will be "in focus" to automatically prioritise my emails - to be rolled out this month. The messages had never been sent as emails to my POP3 folders.

Makes me want to go back to rolling my own domains and POP3 servers.

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