Ok, now it's starting to be much clear. Really appreciate your help and time!
Thanks, Pawel 2016-10-14 11:45 GMT+01:00 Wietse Venema <wie...@porcupine.org>: > Pawe? Grzesik: > > It's of course not a production code. I'm only trying to > > learn and understand how exactly it works. > > > > I cannot find anything about "--" in the postfix documentation > > (or I'm looking on the wrong page?). There is any explanation > > somewhere? (instead of at the source code). > > Look at "man getopt" the, i.e. the SYSTEM LIBRARY function that > parses command-line options. Without the '--' before the recipients, > a recipient address starting with '-' would change the way that the > sendmail command works. > > Wietse >