PowerShell – Search-Mailbox script to go through all mailboxes, find a target message, and remove it

When looking at the title of this post, one might notice I used a target word, and it is on purpose. This script below is useful when trying to remove all types of messages from users' mailboxes whether it's a spam, scam, virus or a an important message that needs to be "recalled". This script is based on Search-Mailbox cmdlet, works well but it has its own pros and cons, more on some of them below. Later I will have another post showing a different and more advanced script to do the same and even better. So stay tuned. Pros: Doesn't search through Purged Items (a bit more about the 3rd layer of Trash is here - https://365basics.com/script-to-search-through-recoverable-and-purged-items-and-restore-those/ ). Can copy messages to another mailbox (IT Help in that example). Cons: Per Microsoft Search-Mailbox will be depreciated, we don't know when it will happen though. Slow (if a target message…

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