For computer security reasons you need to retype this number: in this box: . Your request will not be accepted without it.
To enter/modify your personal filter criteria for CCL mail you need to authenticate first. Before you attempt to do it, you have to read the instructions at: http://www.ccl.net/chemistry/resources/tips/filter.shtml. This is a convoluted and user unfriendly process and you need to understand what you are doing.
Each message that you receive from CCL contains special sequences that only you (i.e., receipient of CCL mail) should know. Your mail reading program usually provides you with this information. Check under options like: View Header, Message Source, etc., or hit h in pine program. You need to find one of two lines: the complete To: line (that should show your name, CCL id and e-mail address) and/or the Message-Id: line (that has some sequences that can confirm your identity). Enter one or both of these lines in the fields below:
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