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I'm facing a network problem. I can't tell exactly what is happening. The situation is as below:
I'm using the SMTP services to send mail from an internal network. The mail sent to my company's email address can be received successfully. But when the mail is sent to external mail server, it can not be reached. My company is using a DNS server. The server is behind a proxy server. It seems that the SMTP services can't resolve the name for external mail server. How to configure the DNS server and local NT Server so that it can by pass the proxy and resolve the external email server??
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Use the mail server's IP address instead of its network name
Rather than using mail.yourcompany.com
Try using 203.10.100.12
Therefore if you use the IP address it will bypass DNS and won't try and resolve it.
Ping the mailserver from the DOS prompt to get its IP address... Example...
Pinging mail.yahoo.com 128.11.68.254 with 32 bytes of data:
Reply from 128.11.68.254: bytes=32 time=461ms TTL=231
So you would use 128.11.68.254 as the mail server in that case
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That means i need to convert all the possible email address to IP... I think it'll be better if there's a way to configure the DNS server or proxy server??
