On Wed, Nov 04, 2009 at 03:06:59PM -0500, Dan Schaefer wrote: > Victor Duchovni wrote: >> On Wed, Nov 04, 2009 at 02:22:29PM -0500, Dan Schaefer wrote: >> It is not an "error" message, it is a *warning*. > My apologies. >> >> The "error" (actually "warning") is ignored, but logged, so that you >> later understand why the client address is logged as unknown, and why any >> restrictions that object to "unknown" clients may reject the transaction, >> (if you use such restrictions). >> >> > What setting(s) in Postfix, if any, need to be changed in order for the > sending of the email to be successful?
No changes required. This "warning" does not adversely impact the delivery of email, unless you go out of your way (non-default setting) to deny access to clients with unverifiable PTR records. -- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:majord...@postfix.org?body=unsubscribe%20postfix-users> If my response solves your problem, the best way to thank me is to not send an "it worked, thanks" follow-up. If you must respond, please put "It worked, thanks" in the "Subject" so I can delete these quickly.