An EDM rule with a condition to ignore when an email recipient address matches fails to be ignored and results in an incident falsely generated when the email address contains a hashtag in front which becoming more come of late.
Current DLP versions do not support emails with a hashag in front of the address.
A feature request has been raised to address this issue in a future version of DLP.
ISFR-3673/PM-4166
Ignore EDM Rows when Any of these match Any Recipient Email fails when there is a # in front of the address.