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Detect SMTP server IP address

 
Manoj Tare
Greenhorn
Posts: 26
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I want to find SMTP service running on a Network .
Currently in my application user has to give SMTP server IP address (which is hardcoded).
I want to give facility to detect SMTP server IP address automatically.
Is there any way to find out the same.
Please give some slutn.
in advance thx
 
Maulin Vasavada
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hi
do u know the host name u mean for the SMTP server and want to find IP? (well that doesnt make sense though )
'coz otherwise knowing nothing we can't probably query where is SMTP server i guess
regards
maulin
 
David Weitzman
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If you want to identify the SMTP servers that service incoming mail to a specific domain, you'll want to query for MX records with a library like DNSJava. Note that when a domain has no MX records, you should try the IP of the domain itself.
 
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