On 10/20/2016 12:57 AM, Ross Naheedy wrote: > I am having a peculiar issue in not being able to lock down my > postfix 2.10. This is on a server that is on the Internet and must > receive emails and relay email for authenticated users. My main.cf > <http://main.cf> relevant portions look like this: >
show "postconf -n" rather than random snippings. > Looking at my maillog, it looks like the server is being used to a > relay, although I'm not sure why. Please show us the log entries. > > It looks to me that postfix accepted a message destined to > 8467-6900600747-824-sales=example....@mail.gretofrr.us > <mailto:example....@mail.gretofrr.us> and is attempting to deliver > it. Yes, or maybe it's undeliverable mail postfix is trying to return. > Looks to me a different form of sender-specified routing based > on what I've read No. See VERP.
