On 10/2/2017 10:17 AM, Kevin A. McGrail wrote: > On 10/2/2017 11:14 AM, Noel Jones wrote: >> http://www.postfix.org/postconf.5.html#smtpd_recipient_limit > I don't think we are talking about the same thing. If I set this to > 1, I would expect a 5xx for an email with more than one recipient. > Do you know for sure? > > Regards, > KAM
Yes, for sure. Extra recipients will get a 4xx response. Note this may *severely* delay deliveries, depending on the sender's retry policy. If a message arrives with 100 recipients, the sender will need to retry 99 times, which will likely take a very long time. -- Noel Jones
