On 19/12/2007, Daniel Aquino <mr.danielaquino@???> wrote:
> In the default config file a line in the first ACL is:
>
> require verify = sender
>
> Does this require a reverse smtp connection to check if the sender is
> a valid recipient on the relay?
No. As the docs indicate[1], it simply runs the sender address through
the routers in your config to determine if a message addressed to the
purported sender would be routable. The /callout option causes the
behaviour you're referring to.
[1}
http://www.exim.org/exim-html-current/doc/html/spec_html/ch40.html#SECTaddressverification
--
Peter Bowyer
Email: peter@???