SMTP Not found

can you create a test email i could send a mail to? (you can delete it after)
so i can get full error message and the ip where it come from (in outlook, you can see thoses details in options of message)

is smtp service running?
maybe you changed a password and must change it in smtp service

is your server secure?
some isp block "no password to send smtp" servers because spammers use them

dgarcia@fmeg-corp.com is somewhere you can email to - as i mentioned before, i have changed NOTHING. We changed ISP. I changed the IP in DNS records with registrar. Everything working fine. Then boom, stopped working.

I think it is in fact something with the mx entry because when i try to trace route smtp.domain.com it can not determine the IP. Any other thoughts?

Check your domain hosts DNS configuration and make sure that smtp.yourdomain.com is now pointing to your correct WAN IP.

You can check your WAN IP from your router or using www.whatismyip.com from the Server.

i tested sending a mail to you
<mail.stas.biz #5.7.1 smtp;550 5.7.1 72.0.198.138 has been blocked by relays.ordb.org>

so who is relays.ordb.org?

"blocked" does not seems good...
you better call your new isp and tell him to "unblock" things

the mx records are good. i called godaddy and they said they were having trouble pinging my IP so to call and check with the ISP because its not on their side. can you try pinging my mail server. mail.fmeg-corp.com and let me knnow your experience.......and if this could be a possible issue.....

I have been doing some research and it seems that othe rpeople who use msft exchange with an ISP like bellsouth or comcast have this issue becays the ISP blocks port 25. they have suggested using mailhop through dyndns. any experiences or commentS?

here is a tracert
you should be able to see the last ip working and who it belong to

then call them
i still belive you are blocked by them, maybe because your server send smtp without password (spammmer favorite servers)

  1     1 ms     1 ms     1 ms  72.0.198.129
  2     7 ms     7 ms     8 ms  29-195-0-72-ppp.3menatwork.com [72.0.195.29]
  3   231 ms    19 ms    19 ms  ge-mtl01-ca01.3menatwork.com [64.235.210.222]
  4     8 ms     8 ms     7 ms  ia-piex-bb04-pc-7.vtl.net [216.113.14.165]
  5     7 ms    10 ms     8 ms  216.113.123.9
  6    26 ms    26 ms    26 ms  ia-piex-bb04-pos5-1-0-cpe078.vtl.net [216.113.12
2.78]
  7    60 ms    61 ms    60 ms  cr1-loopback.ald.savvis.net [208.172.66.70]
  8    57 ms    56 ms    56 ms  ggr2-p3123.attga.ip.att.net [192.205.33.61]
  9    67 ms    68 ms    67 ms  tbr1.attga.ip.att.net [12.122.81.98]
 10    67 ms    67 ms    67 ms  cr1.attga.ip.att.net [12.122.17.1]
 11    67 ms    68 ms    67 ms  cr2.ormfl.ip.att.net [12.122.5.141]
 12    67 ms    68 ms    68 ms  tbr2.ormfl.ip.att.net [12.122.21.70]
 13    67 ms    67 ms    67 ms  12.122.106.97
 14    67 ms    67 ms    67 ms  65.83.238.185
 15    67 ms    69 ms    67 ms  65.83.236.117
 16    72 ms    72 ms    72 ms  axr00bct-so-1-0-0.bellsouth.net [65.83.238.42]
 17    71 ms    72 ms    72 ms  adsl-156-253-152.bct.bellsouth.net [66.156.253.1
52]
 18     *        *       72 ms  adsl-156-253-153.bct.bellsouth.net [66.156.253.1
53]
 19    87 ms   100 ms    73 ms  65.83.238.28
 20    73 ms    73 ms    73 ms  65.83.237.131
 21    73 ms    74 ms    75 ms  65.14.126.50
 22     *        *        *     Délai d'attente de la demande dépassé.
 23     *        *        *     Délai d'attente de la demande dépassé.
 24     *        *        *     Délai d'attente de la demande dépassé.
 25     *        *        *     Délai d'attente de la demande dépassé.
 26     *

                                              

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modem to router...  what modem & what router?  who is your isp?  is your isp providing you single or multiple IPs? what is your domain name (fmeg-corp.com?) & ip to your server?  

if you are being provided a static ip from your isp, i woiuld stay away from ddns.

based on your limited info posted & your 550 error, i am suspect of your ptr (reverse dns) record.  your isp can config a ptr record and this may remedy your problem.

P2E

bellsouth is the isp.  i called and asked them to input a rverse dns records to match our mx record. smtp.fmeg-corp.com to mail,fmeg-corp.com last week today we still not up and pinging us times out. the isp is the problem.

I did a nslookup on fmeg-corp.com and I didnt see a MX or PTR record.  Contact Bellsouth technical support and they will be able to assist you with both items.  

Good Luck!

P2E

OK. Sorry for the delayed response. But it really took bellsouth this long to add a reverse dns record. i did a reverse dns lookup and smtp.fmeg-corp.com is now pointing to our IP. And still getting the rejection message when sending emails to our server. When I do a mx record lookup, says none exist but i have double checked at my registrar and all my dns records are in tact. Any thoughts?