Monday, January 04, 2010

Phone number put Hex on mail message

Recently SpamAssassin warned me that an incoming message might be Spam. It turned out this was because the message mentioned a number of transportation web sites. Sydney Public Transport Information uses a phone number as its web address . This triggers rule URI_HEX ("URI hostname has long hexadecimal sequence"). Sydney Ferries is an .info domain name which triggers INFO_TLD ("Contains an URL in the INFO top-level domain"). It is not clear to me why these should be suspicious.

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