Recently a couple of people were asking how to tag all external email without ending up with multiple RE: EXTERNAL EXTERNAL EXTERNAL etc
Configuration / Policy / Data Control
ADD
Messages matching specific words or phrases
check off Enable advanced policy options
Next
Rule Config:
Regular Expression
.* (this will check every message to make sure it contains anything or nothing) aka check every message.
click ADD
Message Attributes:
ADD
Name: Subject
Regular Expression : ^((?!EXTERNAL).)*$
NEXT
NEXT
Main Action:
Tag subject and continue
tag string : [EXTERNAL] %%SUBJECT%%
NEXT
NEXT:
Rule Description :
Name it and save it.
Rule Summary
This rule checks (every message, then it checks for EXTERNAL anywhere in the subject line)
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