>>>>> "KS" == Kirk Strauser writes:

 KS> 2) Some mailers and newsreaders freak out when they see attachments
 KS>    ("Hey, I know, I'll just display a blank message!").

Correct, some Usenet readers are not MIME-compatible. Personally I try
not to use MIME on Usenet. If you want PGP in Usenet, better use the
RFC1991-compatible version.

 KS> 3) Some people freak out when they see plaintext signatures
 KS>    inserted at the end of an email message ("Your computer must be
 KS>    broken because I couldn't read that last part of your email.").

You can safely tell them: RTFM. And/or get a better newsreader. =))

---Vas