True, but universal support isn't found anywhere these days (Try browsing to your average online banking site with IE2, or signing up for a Hotmail account without images enabled), but as long as clients are updated every few years, they can probably keep up.You mean for double authentication within their network although theAs an aside, does anyone know if virii/worms like Sobig, etc. that use their own SMTP server would be thwarted if Sympatico forced authentication on their SMTP servers?
client is already identified by IP (being dialled in to them)? I think
almost no ISP does this.
The unfortunate problem is that there is no universally supported method with email clients nor email servers.
Some email clients can authenticate via SMTP (Outlook Express can), someAre there any reasonably modern clients that can't do some form of SMTP AUTH at this point? -- I'm pretty close to disabling POP before SMTP on my network and forcing SMTP AUTH. One more abuse issue relating to POP before SMTP and I'm throwing the switch.
clients can send via POP (Eudora can), and few but some mail servers support
either.
I can still whitelist by IP if I need to, or even for a specific mailbox/domain, but frankly, I haven't needed to for anything except my Palm, and a quick software update added SMTP auth support there too.
-- Dave Warren, Email Address: [EMAIL PROTECTED] Cell: (403) 371-3470 Fax: (403) 371-3471 Toll free: (888) 371-3470 Vonage: (817) 886-0860 ICQ: 17848192 AIM: devilspgd Yahoo!: devilspgd MSN/PASSPORT: [EMAIL PROTECTED]
