Thank you to all who helped with this. It turns out that all you have to do is define the HACKs in sendmail.mc and (as long as your sendmail was configured properly) sendmailconfig goes to the .../hack directory and puts the code right into the sendmail.cf file when you allow it to build. Whew. Thanks. ... universero trio... trio@tio.net... http://tio.net/~trio Learn and use The International Language Esperanto! http://esperanto.org