[ubuntu-uk] Strange happenings with this mailing list and Evolution

When I receive my copy of this mailing list, I have a rule set up in
Evolution to move it to a folder. When the mail is moved by the rule,
the Date Received field is a "?". If I move the mail to another folder,
the date received field becomes correct. Is this a problem with
Evolution, or this mailing list? (I am subscribed to several other
mailing lists that are also moved using a rule and this does NOT occur
with them)

Thanks
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