I think not all fault is due to the email reader but the
"
_______________________________________________
Wikitech-l mailing list
Wikitech-l(a)wikimedia.org
http://mail.wikipedia.org/mailman/listinfo/wikitech-l"
automatic mailing list signature also has something to do. Not sure about if
the result email is compliant, but, as some readers show *only* the
signature i think it's messing the reader, creating an email different than
the one your program sent.