On 12/17/2013 6:45 PM, Wietse Venema wrote: > Homer Wilson Smith: >> >> From: adore.lightlink.com >> >> echo Subject: ping | /usr/lib/sendmail >> buddy%emerald.lightlink....@majesty.lightlink.com >> >> majesty.lightlink.com returns mail loops back to myself. >> >> Both running postfix and allow_percent_hack = yes >> > > Are you lazy? > > What hostname is named in > > This is the mail system at XXX > > I'm sorry etc... > > What warnings are logged on that host. > > Maybe that will give you a clue. > > Wietse > > >> >> >> ------------------------------------------------------------------------ >> Homer Wilson Smith Clean Air, Clear Water, Art Matrix - Lightlink >> (607) 277-0959 A Green Earth, and Peace, Internet, Ithaca NY >> ho...@lightlink.com Is that too much to ask? http://www.lightlink.com >> >> On Mon, 16 Dec 2013, Wietse Venema wrote: >> >>> Homer Wilson Smith: >>>> We are trying to get server A, to send mail through many other >>>> servers, back to server A. >>> >>> What about >>> >>> $ echo Subject: ping | /usr/sbin/sendmail user%hosta@hostb \ >>> user%hosta@hostc user%hosta@hostd >>> >>> Out of the box (*), Postfix will send mail to hostb, hostc, and hostd >>> that they are supposed to deliver to user@hosta. >>> >>> (*) main.cf:allow_percent_hack=yes >>> >>>> It would be useful if the 'smart host' could be specified on >>>> the sendmail command line, but alas I don't think this is possible. >>> >>> Sorry, that would open up all kinds of security holes. >>> >>> Wietse >> >>
It's probably easier to use a command line SMTP tool to inject a message directly to the remote server. No routing issues and you get immediate feedback about the SMTP exit status. I like to use mini_sendmail for this, but there are a dozen others. See google for details. (this is one line; beware wrapping) # mini_sendmail -smajesty.lightlink.com bu...@emerald.lightlink.com </path/to/some_text -- Noel Jones
