Len, Last I heard, Hotmail was using some proprietary form of FreeBSD as their operating system. Unless things have changed recently, I don't think that they are running Windows. Things may have changed since the last info I read though. The system was designed well before they were purchased by Microsoft.
William Van Hefner System Administrator TheDigest.Com/TelCompare.Com > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Len Conrad > Sent: Thursday, October 23, 2003 12:38 AM > To: [EMAIL PROTECTED] > Subject: Re: [IMail Forum] Hotmail? > > > > >Is anybody else having a problem delivering mail to Hotmail and MSN > >accounts? > > Yes, all the IMGate sites I've looked at have been having > horrible problems > all this week. Below is typical, showing deferrals running at 50% of > deliveries and an "average delivery delay" with up to 5 hours > delivery delay. > > Host/Domain Summary: Message Delivery (top 30) > sent cnt bytes defers avg dly max dly host/domain > -------- ------- ------- ------- ------- ----------- > 2045 173558k 0 5.4 s 2.1 m aol.com > 963 53381k 1 6.4 s 29.0 m comcast.net > 425 19049k 2 7.3 s 24.5 m yahoo.com > 387 19161k 235 10.7 m 5.2 h hotmail.com <<<<< > 271 23177k 0 17.4 s 5.9 m earthlink.net > 245 6948k 133 12.1 m 5.1 h msn.com <<<<< > 196 8580k 0 3.8 s 53.0 s juno.com > > Looking at the deferral reasons: > > "Lost connection with mx1.hotmail.com[65.54.252.99] while sending > end of data" > > "Sender address rejected: unverified address: connect to > msn.ca[207.68.172.246]: Operation timed out" > > >I just noticed a lot of mail not making it through, even a test > mail to my > >own hotmail account. > > IMGate normally waits 30 seconds after each SMTP command for a > response. On > the above site, I've lengthened the "SMTP-end-of-DATA-timeout" to 1000 > seconds (15+ minutes), and hotmail still times out after the DATA > command. Seems hotmail can't actually write the msg to disk and confirm > back to sender. > > Note that AOL, a Unix-based shop with their system design and anti-spam > policies under control, has no problem with their MXs, also for very-high > volumes. > > Hotmail and msn MXs have been screwed up for days. They chose > wrong OS and > SMTP service and tcp/ip stack? Even fantastically tweaked to try > to work as > MX? Bad mailbox storage design? bad anti-spam policy badly > implemented? too much money and lawyers and too little competence? all > of the above? :)) > > Len > > > _____________________________________________________________________ > http://MenAndMice.com/DNS-training: Wash DC; Dallas; Atlanta > IMGate.MEIway.com: anti-spam gateway, effective on 1000's of sites, free > > > 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] > > > --- [This E-mail scanned for viruses by Declude Virus] 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/
