how do I find a build path for sasl smtpd.conf

[jeffrey j donovan]

greetings

Im still playing with macports 2.9 on a ppc. How do I find the build path for 
the sasl2/smtpd.conf. I understand it's normally in /usr/lib/sasl2/.
I want to make sure the port hardcoded the correct path.

-j