[IMail Forum] DNS Used Rather Than Hosts for Local Mail Servers

[kathy]

Hi All,   I am currently evaluating IMail 8. In my organization, we now have three mail servers: IMail running on Windows 2003, SLMail 5.5 running on Windows 2000 and Exchange 2000. All three servers sit behind Microsoft ISA Server.   Even though I have configured the Hosts file on IMail to deliver mail to SLMail and Exchange domains using private IP addresses, IMail continues to do a DNS lookup or resolves the host name from its DNS cache and attempts to send mail using the external IP addresses from DNS.   I have successfully setup and tested an SMTP connector from Exchange to IMail and a routing rule from SLMail to IMail, but sending from IMail to either of the other servers fails.   Is this a bug or am I doing something wrong?   Kathy Leonard