Hello Wietse, Thanks for the quick response.
> > The post-install script always fails when the /etc/postfix (config > > directory) is read-only. > > I'll have to try that. Misleading error messages are > undesirable. Thanks. > > I am also attaching my local working version of post-install. > > Looks like you're preventing it from updating main.cf. > This was fixed days ago with postfix-3.1-20150329. > > Can you try the post-install file from that distribution? > It should work with postfix-3.0.0. Just tested with the post-install from ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-3.1-20150330.tar.gz I had to comment out these 3 lines to get it to work. With this change to lines 209-211, the script works fine. +# IFS=" +# " +# BACKUP_IFS="$IFS" It looks like the sub-shell processing for writing back to main.cf is working now. Thanks again, Joe
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