Hotmail MX records:
mx1.hotmail.com. - 65.54.254.129
mx1.hotmail.com. - 65.54.252.99
mx1.hotmail.com. - 65.54.166.99
mx2.hotmail.com. - 65.54.254.145
mx2.hotmail.com. - 65.54.252.230
mx2.hotmail.com. - 65.54.166.230
mx3.hotmail.com. - 65.54.254.140
mx3.hotmail.com. - 65.54.253.99
mx4.hotmail.com. - 65.54.254.151
mx4.hotmail.com. - 65.54.253.230
In testing these MX IP addresses with a tracert program, this is what
happened here for all MX IP addresses. Below is a snippet from one.
Starting trace - Feb 26, 2003 08:27:37
Tracing to 65.54.254.129....
Hops IP Address RTT(ms) DNS Name
1 207.228.46.65 0 gw.davdgrp.com
2 207.228.13.130 16 davidgrp-loc.greatbasin.net
3 207.228.34.161 16 rno-core0.greatbasin.net
4 144.223.53.77 15 sl-gw25-stk-4-0-TS3.sprintlink.net
5 144.232.4.217 16 sl-bb20-stk-8-1.sprintlink.net
6 144.232.20.99 16 sl-bb20-sj-9-0.sprintlink.net
7 144.232.3.194 16 sl-bb23-sj-12-0.sprintlink.net
8 144.232.20.68 31 sl-st21-sj-14-0.sprintlink.net
9 TIMED OUT
10 TIMED OUT
11 TIMED OUT (THIS GOES ON FOREVER)
Travis
When I treacert from work, I get connection timed out once it gets to:
65.54.254.151
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Christopher M.
> Iarocci
> Sent: Wednesday, February 26, 2003 8:18 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [IMail Forum] SMTP Clogging.....
>
>
> Scott,
>
> Yes, I can connect to every other SMTP server I've tried to
> connect to from
> home (even AOL's if you can believe that). It is only hotmail's servers
> that I can not connect to. The reverse DNS to my account at home shows it
> is a cable IP (ool-18beaed3.dyn.optonline.net).
>
> They could be blocking based on a reverse lookup, but they'd have some
> serious problems with a lot of email servers that do not even have reverse
> DNS set up (even though, yes, I know they should).
>
> They must be blocking blocks of IPs. Could you really see them
> implementing
> a block based on the return of a reverse DNS lookup? If so, are they only
> blocking IPs that match a certain reverse DNS lookup, and allowing those
> that have no reverse DNS set up?
>
> When I try and connect from work, it is from an IP that has a reverse DNS
> lookup set up on it, but it is NOT a mail server (I'm simply
> using telnet).
> When I try to connect from home, it is the same situation, the only
> difference is the IP I am connecting from, and the return of the
> reverse DNS
> lookup for that IP. The other thing is, the connection refusal
> is immediate
> when I try from home. There is no indication that their server
> is doing any
> kind of reverse lookup before refusing my connection.
>
> Chris
>
> P.S. BTW, I don't have a mail server at home, I am simply trying
> to connect
> from there to see if the hotmail thing was a network problem here. It was
> then that I found out I could not connect to ANY hotmail servers
> from home.
> I tried other random servers I picked just to make sure it wasn't
> that I was
> unable to connect to any mail server from home, and that wasn't the case.
> It seems to be only isolated to Hotmail at this time. That is
> why I blurted
> out that they "could" be blocking an IP block that someone has a
> mail server
> on, because it seems they are blocking certain IP blocks.
>
> ----- Original Message -----
> From: "R. Scott Perry" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, February 26, 2003 10:57 AM
> Subject: Re: [IMail Forum] SMTP Clogging.....
>
>
>
> >The thing is, at the same time of the day, I can connect to 4 of the
> hotmail
> >servers successfully from work, but can connect to NONE of those same
> >servers at home. I believe they are definitely implementing some sort of
> >SPAM control, unless it's just dumb luck that every time I try
> from home it
> >doesn't work, and every time I try from work it does.
>
> If it *is* spam control, it's very poorly designed spam control, that is
> going to waste Hotmail's bandwidth.
>
> Are you sure that your ISP at home isn't blocking port 25 access (can you
> connect to other SMTP servers from your account at home)? Does
> the reverse
> DNS of your account at home show something that would indicate
> that it is a
> personal account and not a business account?
>
> -Scott
> ---
> Declude JunkMail: The advanced anti-spam solution for IMail mailservers.
> Declude Virus: Catches both viruses and vulnerabilities in E-mail, with no
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>
> ---
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