[NTLUG:Discuss] can not connect internal mail server

[m m]

I am confused here:



My comnany set the exchange server port to 26 instead of default 25.

I have FC6 box under the same domain.

How do I send email to the internal address?



example,

company mail server ip: external 1.2.3.4

company domain:testdomain.com

my FC6 box domain: fc.testdomain.com using sendmail



I can send email out to some at yahoo.com

I can not send email to someone at testdomain.com form my fc6 box.



I tried from fc6 box



telnet mail.testdomain.com 26 (no work)

telnet 1.2.3.4 26 (can connnect, works)



How do I send an email to someone at testdomain.com? (send email enternally)

I use php mail() function.


Thanks in advance.
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