John C Klensin wrote: > So what are you asking for that isn't there already? > Elimination of the IP address literal option? Some criteria for > "verifiable" that would presumably lie well outside the scope of > SMTP? > I have a 'common' situation in mind. Whether you like it or not, it is common enough. There is a small business who has bought Microsoft SBS. They are running Microsoft Exchange with the POP3 connector over a dynamic IP ADSL. They have Exchange set up for direct sending, with fallback to their ISP's smarthost. They don't want to change to always use their ISP's smarthost because that has long delays in sending.
What are they supposed to use for the EHLO parameter if it is important enough to mean the difference between delivery or not? -- Paul Smith VPOP3 - POP3/SMTP/IMAP4/Webmail Email server for Windows
