Mail clients such as Outlook breach standards by translating "Re" e.g. to "AW" (German short for "Antwort"). This results in cascades such as "Re: AW: Re: AW: Hello World" as a message goes hence and forth. I've written a simple header_check which sanitizies this madness:
http://www.bitcetera.com/en/techblog/2011/10/18/mail-followup-marker-sanitation/ I'd like to add more translations of "Re" and "Fwd" in other languages. If you know some, please comment on the above blog article. Thanks!
