Thanks Len but the Address is existing... It is simply an address not hosted on this specific host. But if SAV checks the address, It will "find" it and I do receive delivery errors on it. But again thanks to all of you for your information.
----- Original Message ----- From: "Len Conrad" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, September 19, 2004 10:28 PM Subject: Re: [IMail Forum] A security question > > >By doing so I effectively do not need anymore to be concerned about the > >FROM address in these forms... > > Yes, you do. Having your MTA trust an IP for unauthenticated relaying is > totally different from assuring your MTA, having accepted the msg, can > deliver the message. > > Many MXs are running SAV, sender address verification, so web apps that > send send msgs with non-existent senders will be rejected by SAV MXs. > > The other aspect of using deliverable envelope sender is that when a msg > can't be delivered, it's usually useful for the envelope sender to be > informed of the non-delivery. > > I've seen plenty of "form hosting applications" that use bogus senders that > fail to deliver but the hosted customer is not informed of the delivery > failures. And hosting companies charge for such silliness. > > Len > > > _____________________________________________________________________ > http://IMGate.MEIway.com : free anti-spam gateway, runs on 1000's of sites > > > 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/ > 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/
