On 08/03/17 08:00, Robert Moskowitz wrote: > After a bit of reflection, I may have asked the wrong question. Perhaps > a better question is does the substitution take place on processing the > option?
It would take place at runtime (I believe). If you want it to hard-code the substitution into main.cf you could do something like this: postconf "smtpd_tls_key_file = /etc/pki/private/$(postconf -h myhostname).key" Peter