> no fixup protocol smtp 25 Nope, that's not it: neither of those IPs allow incoming traffic on port 25 (and the fixup is known to break AUTH, not anti-relay).
> "550 Dynamic IPs/open relays blocked. Contact > <[EMAIL PROTECTED]>." What provider are you using? If it's one that's on a private blacklist for hosting spammers, you're in trouble (though this would not usually be sensitive to one host over adjacent host, it's possible). -Sandy ------------------------------------ Sanford Whiteman, Chief Technologist Broadleaf Systems, a division of Cypress Integrated Systems, Inc. e-mail: [EMAIL PROTECTED] ------------------------------------ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
