Re: New post...older issue...
From: Merv Porter [SBS-MVP] (mwport_at_no_spam_hotmail.com)
Date: 01/31/05
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Date: Sun, 30 Jan 2005 21:53:39 -0500
Maybe the following link can explain the reverse DNS lookup process a little
better than I could.
http://www.dnsstuff.com/info/revdns.htm
-- Merv Porter [SBS MVP] =================================== "Terry Cole" <news@southerntel.com> wrote in message news:Ot8DPtzBFHA.3644@TK2MSFTNGP15.phx.gbl... > No argument, but a question...does my registrar (dns provider as well) > change the circumstances of this situation any (theoretically, at least; all > current evidence not withstanding)? I mean, the reverse lookup should > resolve to the domain, right? I think I'm misinterpreting. Any help > clarifying? > > > > "Merv Porter [SBS-MVP]" <mwport@no_spam_hotmail.com> wrote in message > news:ugNyJTyBFHA.3644@TK2MSFTNGP15.phx.gbl... > > Yep, that's AOLs policy. No reverse lookup available with dynamic WAN IPs > > so AOL can't confirm your sending domain. This is why you've got to get > > the > > smarthost going. I'd recommend getting with your ISP and have him give > > you > > the proper info for one of his smtp servers that you can authenticate to. > > > > -- > > Merv Porter [SBS MVP] > > =================================== > > > > "Terry Cole" <news@southerntel.com> wrote in message > > news:%23lAsCGyBFHA.1392@tk2msftngp13.phx.gbl... > >> Oops...sent accidentally... > >> > >> Log reported (clipped): " > >> AOL+does+not+accept+e-mail+transactions+from+dynamic+or+residential" > >> > >> > >> "Merv Porter [SBS-MVP]" <mwport@no_spam_hotmail.com> wrote in message > >> news:eICWsDxBFHA.2572@tk2msftngp13.phx.gbl... > >> > You can try cranking up the logging... > >> > > >> > Logging the SMTP Service > >> > http://www.msexchange.org/tutorials/Logging_the_SMTP_Service.html > >> > > >> > -- > >> > Merv Porter [SBS MVP] > >> > =================================== > >> > "Terry Cole" <news@southerntel.com> wrote in message > >> > news:ONsSrkwBFHA.2076@TK2MSFTNGP15.phx.gbl... > >> >> Yep...that was it. I'll remember the google link thing next time. > >> >> > >> >> Regarding the smarthost auth attempts, I did it every way I could > >> > conceive, > >> >> including with the @domain.com and without. I also entered it with > >> >> the > >> >> exact same (cut&paste) user name and password that works successfully > >> > within > >> >> Outlook Express (on the SBS server box no less!). What works with OE > >> >> does > >> >> not work with Exchange smart host. > >> >> > >> >> Do you know of any way to get at the exact reasons the attempts to > >> >> send > >> >> through DNS are failing within SBS/Exchange instead of just the > >> >> generic > >> > "An > >> >> SMTP protocol error occured". (see #5 below for specifics)? > >> >> > >> >> Thanks, > >> >> Terry > >> >> > >> >> "Merv Porter [SBS-MVP]" <mwport@no_spam_hotmail.com> wrote in message > >> >> news:%233I26ruBFHA.3644@TK2MSFTNGP15.phx.gbl... > >> >> > Was this your original post? > >> >> > > >> >> > > >> > > > http://groups-beta.google.com/group/microsoft.public.windows.server.sbs/browse_frm/thread/c8ba02beb801f6e6/b280906ddf94247a?q=terry+cole+sbs+2003&_done=%2Fgroups%3Fhl%3Den%26lr%3D%26q%3Dterry+cole+sbs+2003%26&_doneTitle=Back+to+Search&&d#b280906ddf94247a > >> >> > > >> >> > The smarthost *should* work. Did you try: username@ISP.com > >> > (essentially > >> >> > the email address of the primary account at the ISP) as well as just > >> >> > "username" for the authentication? You may need to get back with > >> >> > the > >> > ISP > >> >> > on > >> >> > this. > >> >> > > >> >> > DNS vs. Smarthost > >> >> > http://www.sbslinks.com/DNS_Smarthost.htm > >> >> > > >> >> > -- > >> >> > Merv Porter [SBS MVP] > >> >> > =================================== > >> >> > "Terry Cole" <news@southerntel.com> wrote in message > >> >> > news:%23K54a5tBFHA.3824@TK2MSFTNGP10.phx.gbl... > >> >> >> Hi, > >> >> >> There was a discussion several weeks ago about this issue. > > Conditions > >> >> > have > >> >> >> changed, but I can't find the original thread. Please forgive the > > new > >> >> >> thread. > >> >> >> > >> >> >> Problem is with sending mail from Exchnage to AOL.com domain. Any > >> > other > >> >> >> domains seem to ob without issues. It has been strongly suggested > >> >> >> that > >> >> > AOL > >> >> >> is rejecting the mail send due to RDNS failure. The registrar > >> >> > (GoDaddy.com) > >> >> >> assures me that with their DNS services, RDNS queries will succeed > > as > >> >> >> they > >> >> >> are "RFC compliant", plus the fact that they are huge registrar. > >> >> >> It > >> > was > >> >> >> also suggested to try SMTP connector just for the mail going to the > >> >> >> AOL > >> >> >> domain. Tried that as as well, but with a different type issue > >> >> >> arising > >> >> > when > >> >> >> doing that. > >> >> >> > >> >> >> facts... > >> >> >> 1) ISP is DSL with Static IP > >> >> >> 2) public intenet domain name is registered and pointed to this > > static > >> > ip > >> >> >> 3) DNSReports.com says this domain passes all of it's checks (has > > PTR > >> > for > >> >> >> RDNS, etc.) > >> >> >> 4) CEICW has been run (repeatedly) > >> >> >> 5) Sending to AOL.com puts each message in a queue labeled as > > "Small > >> >> >> Business SMTP Connector - aol.com (SMTP Connector)" which is time > >> > stamped > >> >> >> with the last attempt and next attempt. The Additional Queue > >> > Information > >> >> >> area (bottom of Queue window) says "An SMTP protocol error occured" > >> >> >> > >> >> >> Using my ISP as a smart host has other issues. I've used the same > >> >> >> auth > >> >> >> credentials that work successfully with Outlook Express (to send > > mail > >> >> >> through their mail servers), but the send fails when these > > credentials > >> >> >> are > >> >> >> used with the Smarthost authentication. > >> >> >> > >> >> >> Totally at wits end about this. Any advice? > >> >> >> > >> >> >> Thanks, > >> >> >> Terry > >> >> >> > >> >> >> > >> >> > > >> >> > > >> >> > >> >> > >> > > >> > > >> > >> > > > > > >
- Next message: Marcia: "Re: backup help"
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