revive-adserver/revive-adserver — pull request #333 by d--j (2014-05-15 21:50:14+00:00)
Title: Remove the double "To:" email header.

Some restrictive email filters (e.g. amavis-new) do not like
emails with more than one "To:" field. According to RFC 5322
there can only be one "To:" field.