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Hey all, 

I noticed my organization had some misconfigurations on the spam filter (involving SPF records).  I made some changes, but I wanted to test them out.  Is there a legitimate website I can give my email to that will send me a spoofed email?

Most of the stuff I have seen goes the other way where I email it and it tells me the likelihood of my email going to spam.

Edited Oct 5, 2021 at 20:15 UTC
Joz_
Datil
OP
Joz_

You can simulate spam using this link:
https://o365info.com/simulate-spam-mail/

Best practices:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/recommended-settings-for...

Config Ananlyzer:
https://www.powershellgallery.com/packages/ORCA/1.10.6

quarantine:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/manage-quarantined-messa...

Tuning anti-phishing:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/tuning-anti-phishing?vie...


After that, you monitor and adjust as necessary.
If you need to safelist senders, follow:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/create-safe-sender-lists...

Ensure you have correctly setup your SPF/DKIM and DMARC records as well:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-dmarc-to-validate-em...

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-dkim-to-validate-out...
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/set-up-spf-in-office-365...

Above are mentioned in a similar thread and the solution is provided by AndyDavid for your reference: Best practice to test the O365 Anti-spam
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3 Replies

· · ·
joelkostelecky
Serrano
OP
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1
· · ·
Joz_
Datil
OP
Best Answer
Joz_

You can simulate spam using this link:
https://o365info.com/simulate-spam-mail/

Best practices:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/recommended-settings-for...

Config Ananlyzer:
https://www.powershellgallery.com/packages/ORCA/1.10.6

quarantine:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/manage-quarantined-messa...

Tuning anti-phishing:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/tuning-anti-phishing?vie...


After that, you monitor and adjust as necessary.
If you need to safelist senders, follow:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/create-safe-sender-lists...

Ensure you have correctly setup your SPF/DKIM and DMARC records as well:
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-dmarc-to-validate-em...

https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/use-dkim-to-validate-out...
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/set-up-spf-in-office-365...

Above are mentioned in a similar thread and the solution is provided by AndyDavid for your reference: Best practice to test the O365 Anti-spam
1
· · ·
Joz_
Datil
OP
Joz_

Any updates? You could mark the  helpful reply as best answer if someone encounters the same questions they could find the solution quickly:)

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