I don't think this is a conspiracy theory. I have no doubt that AOL has seen this benefit.
Todd Holt Xidix Technologies, Inc Las Vegas, NV USA www.xidix.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jason Newland Sent: Thursday, June 12, 2003 8:46 AM To: [EMAIL PROTECTED] Subject: Re: [IMail Forum] OT: AOL's got nerve Doesn't anyone here see this as a part of a larger conspiracy against small ISPs? If small ISPs have constant trouble sending customer e-mail to AOL, then from the customer standpoint, they don't believe you when you say that AOL is the problem. They are the Ma Bell of ISPs "They don't have problems". The end result is customers leaving your service and going to AOL because you can't get their e-mails sent to their friends at AOL... :)) I couldn't resist the conspiracy theory! Jason ----- Original Message ----- From: "R. Scott Perry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 12, 2003 10:35 AM Subject: Re: [IMail Forum] OT: AOL's got nerve > > >As for them sending mail from DSL: > > > >1. If the business-on-DSL can define a different PTR hostname, they escape > >the "subscriber PTR hostname" filtering that the big network operators and > >ISP are enabling... > > Can you please name some of these "big network operators and ISPs"? I've > been following this for years, and am only aware of AOL starting to do this > yesterday. A few unknown companies block E-mail this way, and a lot use it > as part of overall spam control, but until yesterday I'm not aware of a > single company/ISP that I had previously heard of that blocks based on the > reverse DNS entry. > > >2. If above is not available, then the business-on-DSL mail server just > >relays its outbound mail through the IP provider's SMTP gateway. > > > >Both of these are free, and the second is always available, immediate and > >easy. > > > >Why would the typical business absolutely insist on NOT relaying its > >outbound through the provider's SMTP gateway? > > What's the point of having your own mailserver if you are just going to > relay through your provider? For example, by using your provider's > mailserver, you have no way to prove an E-mail was delivered to its > intended destination. You would have to coordinate with the ISP any time > outgoing E-mail doesn't work properly. And doing that is probably going to > be nearly impossible with an ISP that won't allow vanity reverse DNS entries. > > >>And, of course, AOL has so many other options that are not so draconian. > > > >While everybody would like 100% precision, if you have a horrendous, > >expensive, unending, worsening problem that was costing you and your > >clients dearly, impacting your bottom line daily, and there is a 98% or > >99%-accurate automatic solution, what would you do? > > Len, this isn't a 98% or 99% solution. It's about a 20% solution, as most > spammers relay through mailservers or proxies. If that 20% solution then > blocks 2.5% of E-mail, that's blocking 1 E-mail for every 8 spams that are > blocked (isn't that a 12.5% false positive ratio by your method? <G>). > > And, if everybody starts doing this, the dumb spammers sending from their > own computers will just start using the open relays and open proxies, > decreasing the amount of spam that is caught for every legitimate E-mail > that is blocked. > > -Scott > --- > Declude JunkMail: The advanced anti-spam solution for IMail mailservers. > Declude Virus: Catches known viruses and is the leader in mailserver > vulnerability detection. > Find out what you have been missing: Ask for a free 30-day evaluation. > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] > > > 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/ --- [This E-mail scanned for viruses by Declude Virus (http://www.declude.com)] --- [This E-mail scanned for viruses by Declude Virus (http://www.declude.com)] 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/
