--On Tuesday, August 27, 2002 6:13 PM -0700 David Schwartz <davids@webmaster.com> wrote:
I'm afraid the technology to rapidly sift through large volumes of information to search for specific areas of interest is widely available. It is totally reasonable to not want to send mail through your ISP's mail servers and perhaps directly to a trusted mail distributor over an encrypted link. Of course, you can easily use a port other than 25 for this purpose. The problem comes when the recipient tries to validate your origin address against your secure mail server.
Your secure mail server (i.e. me) just has to be named in a MAIL-FROM MX record. We do DNS for some of our customers, and can add this trivially; the others control their own zones. Works for me.