Exchange error regarding external mail delivery
rifat
I had set up New Ms Excahnge 2003 server setup. I had done every setting
and i am able to send and recieve internal mail. now also I am recieving
mail from external mail id's like yahoo, gmail, hotmail or other my
problem in this is that i am not able to send mail to external mail id
means yahoo, gmail, hotmail....... and so on error report is below plz
help me so that i can get rid from this problem.
Undeliverable: RE: reply this mail
System Administrator
our message did not reach some or all of the intended recipients.
Subject: RE: reply this mail
Sent: 10/10/2008 4:57 PM
The following recipient(s) could not be reached:
rif...@gmail.com on 10/10/2008 4:56 PM
There was a SMTP communication problem with the recipient's
email server. Please contact your system administrator.
<nat #5.5.0 smtp;550-5.7.1 [123.237.0.164] The IP you're
using to send mail is not authorized>
plz help me
Hussain
+91-9910765678
India
--
rifat
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Meinolf Weber
Does your ISP have added your mailserver? Contact them.
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
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> I had set up New Ms Excahnge 2003 server setup. I had done every
> setting and i am able to send and recieve internal mail. now also I am
> recieving mail from external mail id's like yahoo, gmail, hotmail or
> other my problem in this is that i am not able to send mail to
> external mail id means yahoo, gmail, hotmail....... and so on error
> report is below plz help me so that i can get rid from this problem.
>
> Undeliverable: RE: reply this mail
> System Administrator
> our message did not reach some or all of the intended recipients.
>
> Subject: RE: reply this mail
> Sent: 10/10/2008 4:57 PM
> The following recipient(s) could not be reached:
>
> rif...@gmail.com on 10/10/2008 4:56 PM
> There was a SMTP communication problem with the recipient's
> email server. Please contact your system administrator.
> <nat #5.5.0 smtp;550-5.7.1 [123.237.0.164] The IP you're
> using to send mail is not authorized>
> plz help me
>
> Hussain
> +91-9910765678
> India
oz.ozugurlu
address you are using don’t have any published MX and A record on the public
DNS servers.
Most cases when you claim to be an SMTP domain and sent mail out, the mail
server your mail server is talking too, will see the IP address of your mail
server and it will go back to internet public servers and ask for
verification if you would think so
your mail server will have troubles if the IP address its using won’t have
any MX record and A record matching to it
Basically, mail servers out there do not know who you are and cannot verify
it as well.
Ask your ISP to make sure you at least you have MX and A record mapping to
your mail server public IP address
--
Oz Ozugurlu
MVP (Exchange)
MCITP (EMA), MCITP (SA)
MCSE 2003, M+, S+, MCDST
Security+, Project +, Server +
o...@SMTp25.org
http://smtp25.blogspot.com (Blog)