If you take a look into the header of your mail, you will find following three lines:
List-Help: <http://jiscmail.ac.uk/cgi-bin/webadmin?LIST=CCP4BB>, <mailto:[email protected]?body=info%20ccp4bb> List-Subscribe: <mailto:[email protected]> List-Unsubscribe: <mailto:[email protected]> Such lines are always included in the headers of mails from mailings. justin
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