Bypassing Clutter and Spam filter by Email Header (Exchange 2013, 2016, and 0365)
- Log in to Office 365 mail server admin portal
- Go to Admin -> Exchange
- Click on the mail flow section
- Click the large + on the right
- Select Bypass spam filtering… from the dropdown menu. This will open the New Rule screen.
- Give the rule a name, for example: “EveryCloud O365 Email Header - Bypass Spam Filter”
- Apply this rule if…
- A message header > includes any of these words...
- On the right you will see Enter text and Enter words...
- Click Enter text and type 'X-PHISHTEST'
- Click Enter words and type in 'EveryCloud'
- Click the large +
- Do the following…
- this field is set to Set the spam confidence level (SCL) to… and Bypass spam filtering is set.
- Add a second action to Do the following... to Modify the message properties > Set a message header to this value ‘X-MS-Exchange-Organization-BypassClutter’ then click Enter text... and set to ‘true’
- Save the rule
Bypassing Junk Folder (0365 ONLY)
- Log in to Office 365 mail server admin portal
- Go to Admin -> Exchange
- Click on the mail flow section
- Click the large + on the right to create a new rule.
- Give the rule a name e.g. “PhishingBox O365 Email Header – Skip Junk Folder”
- Click on more options
- Apply this rule if…
- A message header > includes any of these words
- On the right side you will see 'Enter text' and 'Enter words...'
- ‘X-PHISHTEST’
- Click 'Enter words...' and enter 'EveryCloud'
- Click the + and OK.
- Under Do the following…
- Click Modify the message properties.
- Then Set a Message Header.
- Set the message header to this value…
- Set the message header ‘X-Forefront-Antispam-Report’ to the value ‘SFV:SKI;’
- Under Properties of this rule set the priority to follow the existing rule for the Spam Filter outlined above.
- Click Save to save the rule.
Allow time for propagation of these rules.