[Spamassassin Wiki] Update of "Rules/TVD RCVD SINGLE" by DaleCoSP

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The following page has been changed by DaleCoSP:
http://wiki.apache.org/spamassassin/Rules/TVD_RCVD_SINGLE

The comment on the change is:
Original content for page TVD_RCVD_SINGLE.  Please fix what's broke ;-)

New page:
#language en
== SpamAssassin Rule: TVD_RCVD_SINGLE ==

''Standard description:'' Unfortunately I can find no descriptor for this rule in my searching thus far.

=== Explanation ===

Based on my limited knowledge of Perl, it appears from this line "Received =~ /^from\s+(?!localhost)[^\s.a-z0-9-]+\s/" that the TVD_RCVD_SINGLE header is used when a "Received" line in the SMTP Transmission header contains "localhost" as a server name.

=== Further Info ===

The default scores for this rule can be found [http://spamassassin.apache.org/tests.html in the online list of tests].  At the time of this writing the default score was +1.351 (see share/spamassassin/72_active.cf).

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CategoryRule CategoryRules