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Cannot receive outside e-mail

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Jan 7, 2005
124
US
If itsn't one thing it's another with this stuff...No outside e-mail is coming in, yesterday everything was working 100% and nothing has changed since then. We do not use an ISP to send/receive our e-mail, our Exchange server handles this. When I do a telnet session by running the following command:
telnet mail.xxx.com 25 nothing comes up, it is just a black window with a blinking cursor

when i just type telnet and get to a Microsoft Telnet prompt I enter o mail.xxx.com 25, I get the message connecting to mail.xxx.com... and then another screen comes up saying press any key to continue and when I do this I get a message saying connection to host lost

I went to dnsreport.com and everything comes back PASS except for the following:

INFO MX Record Your 2 MX records are:
200 mail1.xxx.com. [TTL=3600] IP=209.xxx.xxx.xxx [TTL=3600] [US]
100 mail.xxx.com. [TTL=3600] IP=209.xxx.xxx.xxx [TTL=3600] [US]


But then further down in the Mail portion I get:
FAIL Connect to mail servers ERROR: I could not connect to one or more of your mailservers:
mail1.xxx.com: Timed out [Last data sent: [Did not connect]]
WARN Mail server host name in greeting WARNING: One or more of your mailservers is claiming to be a host other than what it really is (the SMTP greeting should be a 3-digit code, followed by a space or a dash, then the host name). This probably won't cause any harm, but is a technical violation of RFC821 4.3 (and RFC2821 4.3.1). Note that the hostname given in the SMTP greeting should have an A record pointing back to the same server.

mail.xxx.com claims to be invalid hostname 'SMTP':
220 SMTP service ready


I have absolutely no clue what else to do...help, please.
 
Update:

I ended up trying to use the wrong host name for the telnet command so now that I was able to actually connect through telnet I followed the directions in and got through them alright except when I sent the test message instead of the response coming back 250 OK I got the a response of 250 Mail queued for delivery...any ideas?? Thanks.
 
Continuing from the previous post...after I issue the QUIT command from telnet I see the message gets delivered.
 
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