[CentOS] Configuring sendmail in a corporate environment

Kevin Thorpe kevin at pricetrak.com
Tue Jul 1 14:13:28 UTC 2008


>> It appears that our firewall is not allowing connection to outside MX
>> hosts.  I think I need to configure sendmail to forward emails to our
>> local smtp host, but I am not sure how to do that.
>>     
Best to do that anyway. Some e-mail providers will only accept e-mail 
from known mail servers (AOL)
and bounce if the IP of your sending server is not a static, known 
mailserver.

What you want is 'SMARTHOST'.

DSmy.mail.server.com        in sendmail.cf

or

define(`SMART_HOST', `my.mail.server.com')dnl       in sendmail.mc
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