Victor Duchovni put forth on 11/17/2010 11:53 PM: > On Wed, Nov 17, 2010 at 06:28:21PM -0600, Stan Hoeppner wrote: > >> Subject: >> =?iso-8859-1?Q?Le_invitamos_a_asistir_a_la_Presentaci=F3n_de_la_Oportunid?= >> >> =?iso-8859-1?Q?ad_de_negocio_en_ACN_Marketing_y_Servicios_de_Telecomunica?= >> =?iso-8859-1?Q?ciones?= >> >> Does anyone have a header_checks pcre that would allow me to reject or >> discard any email with an encoded subject such as, but not limited to, >> that above. I.e. non plain text? >> >> I can't recall ever receiving legit email with an encoded subject, only >> spam. > > This is unwise. Some mail clients defensively encode all subjects, > just in case they may contain non-ascii characters. Focus on blocking > spam, rather than what appear to be unfamilar message encodings.
Thanks for the caution Victor. I've implemented something with off list help from Noel to prepend a custom header. I'm then doing targeted sorting of suspect messages with a sieve rule into a manual inspection folder. Based on what I've received so far, I'm guessing everything that hits that folder will indeed be spam. We'll see... -- Stan