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2016-07-19Block ip-based helo at MTA (#8139).Micah
Numeric helo is a very strong indicator of spam. When this is blocked, a very significant amount of spam stops. Change-Id: Ieb340190faf37638950d1aa60b52268659e0b7f6
2016-02-04fix postfix Received anonymizing header regexp to properly match ClientMicah
CN entries (#7867) Change-Id: Ie33277a62e90f9dc0602bb963dbb96a61cebed1d
2013-10-06implement stripping user's home IPs from Received headers (#3866)Micah Anderson
Change-Id: I6d78286f84144bba5fd3166cc0264570e4fd3ee0