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Spam Filter policy
Is there a way in EOP Spam filter policy to prevent messages hitting Junk email box and deliver them to the user's inbox with a text prepend to the subject line of the messages?
Take a look at this good reference for guidance to initially configuring EOP...
- https://practical365.com/exchange-online/first-steps-configuring-exchange-online-protection/
Yes you can do that. Under spam filter > spam and bulk action and under the spam column from the drop down select the option "Prepend Subject Line with text". This will still allow the spam to the users inbox, but it will prepend a text message you specify indicating that this is spam. See screen shot for the changes.
ASKER
I did exactly that but messages that are flagged as spam are still being placed in the Junk e-mail folder with the text [This is SPAM] in front of the subject line. The challenge is that users don't usually check their junk e-mail folder frequently and could miss time sensitive messages.
make sure that the user junk mail settings in outlook isn't catching the mail. If outlook is filtering then it will still move the mail to the junk folder.
ASKER
The junk email folder setting in outlook is set to "No Automatic Filtering"
Send me a screen shot of your spam filter in exchange, and also verify in outlook that under the junk mail settings there are nothing listed under blocked sender's. even though no automatic filtering is selected, if there are domains or email addresses listed under blocked senders it will still filter.
ASKER
That looks good. I would clear any addresses in the blocked senders list and watch to see if mail is still going to junk.
ASKER
I just received an e-mail from a user who doesn't have anything in the blocked senders list but the message was still delivered to his junk folder.
Do you have anything in the blocked list or international spam in EOP. That is the only other thing i can think to check. Look in EOP for that also and see what you find.
ASKER
Nothing in the blocked list or international spam
Are your mailboxes only in O365 or are some on-prem also with Exchange.
ASKER
Exchange in hybrid deployment. We in the process of migrating some of the mailboxes to o365. We have Cisco IronPort for email security on-prem
do you have any spam settings on your on-prem exchange servers.
ASKER
Yes, if a message is flagged as spam by IronPort, it will send a quarantine notification message to the user with the option to release it.
ASKER
But this only applies to the on-prem mailboxes
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ASKER
I will give this a shot and let you know. If this works, is there a way to deploy this setting across the company (such as Group policy) or do I have to have every single user login in to webmail and set this option manually? Thanks much for your help!
unfortunately no you can't set OWA options via GPO. If this works the end user will need to set this in owa.
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ASKER
The issues has been resolved. Thank you!
was it resolved with OWA changes?
ASKER
Yes, and I used the PS command to disable the junkemailconfiguration setting for all cloud mailbox users
Good deal. Thanks for the confirmation.