----- Original Message ----- From: "Bill Landry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, November 01, 2004 16:35 Subject: Re: Re[2]: [IMail Forum] A Quick Note from the Ipswitch Executive Team
> ----- Original Message ----- > From: "A. Clausen" <[EMAIL PROTECTED]> > > > > > > My feeling is that MS > > > > trying to push Sender ID through is just an example of closing the > barn > > > door > > > > after the cows have come home. > > > > > > A lot of people have fallen victim to this same misguided belief in the > > > past, and history has proven otherwise. In this instance, we shall > see... > > > > We through postgrey on to our Postfix box and saw spam and viruses drop by > > 75%. If some of the big guys would close of port 25 to all but their MTAs > I > > suspect you would see a similar effect. Perhaps that would mean that the > > hackers would step up attempts to root hack MTAs, but that should be > > substantially easier to deal with than 10 million people with compromised > > Windows boxes. > > Wow, nice digression there...! We run postgrey on our Postfix gateways, as > well. But what does this have to do with your Microsoft SenderID comments? I never said SPF was the total solution, or even 50% of the solution. I think to get the upper hand is going to require a combination of things; greylisting, SPF, port 25 blocking, etc. There's no single magic bullet, but a combination of things has shown to be quite effective. -- A. Clausen 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/
