On Thu, 10 Jun 2004, Jeroen Massar wrote: : > That's why port 587 was invented. It's the MSA (mail *submission* agent) : > port, intended only for initial injection of mail into the SMTP delivery : > network. Learn it, believe it, use it. 8-) : : Mail *SPAM* Agent? ;)
Port 587 should always be authenticated. If it isn't, that's a misconfiguration. (Of course, those of us on SPAM-L have even seen bots successfully perform SMTP AUTH, but that's certainly in the minority. Port-25 blocking for dynamic/residential ranges is still considered good form, as it does cut down significantly on the level of unauthenticated wormspew.) -- -- Todd Vierling <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
