Need some SMTP troubleshooting help - Please!.

[Bryan O'Neal]

The email is not being delivered,
1) I tried sending to a yahoo account I could verify and it did not
arrive, spam filter or no.
2) My mail  server believes it can not open a connection.
3) I can not seem to get a telnet connection.  I have tried 'telnet
mail.yahoo.com 25' and 'telnet yahoo.com 25' from every ISP I can find
(COX, QWEST, TWTC, etc.) but it just times out.  Same for AOL, and other
major providers.  No luck their unless some one has a better way to do
it.

-----Original Message-----
From: plug-discuss-bounces at lists.plug.phoenix.az.us
[mailto:plug-discuss-bounces at lists.plug.phoenix.az.us] On Behalf Of
Craig White
Sent: Wednesday, March 12, 2008 7:34 PM
To: Main PLUG discussion list
Subject: Re: Need some SMTP troubleshooting help - Please!.

On Wed, 2008-03-12 at 19:23 -0700, Bryan O'Neal wrote:
> Ok I have a problem in that I am (still) unable to send anything to 
> Yahoo, or any domain who's email is hosted by Yahoo.  I don't get a 
> NDR, it is as if I simply can not connect and I get nothing in my 
> logs!  I believe it is connection oriented because three boxes (Two 
> exchange domains and one sendmail) with three external IP's have one 
> common point and that is one border router with one T1 connection.  
> But I can not get any response out of Yahoo and I can not give any 
> details because I have never had to trouble shoot down to this level
before.
> 
> Any suggestions on how to figure out what the *&!@$#! is going on with

> my SMTP connections to Yahoo?
----
#1 get a mail account on yahoo so you can send e-mail to yourself and
check it to see if it's delivered...they're free

#2 I suggested that you try an SMTP connection via telnet so you can
visually monitor what is being said...did you do that?

#3 Is it possible that your ip address(es) are listed in some DNSBL?
Have you checked?

#4 Is it possible that the e-mail is delivered to a 'spam' directory
instead of people's INBOX?

Craig

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