Stan Hoeppner:
> Hay Wietse,
>
> Someone was wondering on spam-l why Postfix defaults smtpd VRFY
> to ON instead of OFF. Their theory being that the default of ON
> makes it easier for spammers to harvest addresses.
Postfix implements the SMTP protocol according to the RFCs that
describe the protocol. If someone believes that Postfix default
settings do not follow the recommendations of the protocol, then
they can point out the discrepancy and report a bug on the
postfix-users mailinglist.
There is no evidence that VRFY makes the spammer's job easier. In
fact, VRFY responses in Postfix disclose no more information than
is already available with RCPT TO responses.
Wietse
