Vicki Brown:
> May 10 19:29:25 g3po.local postfix/smtp[64508]: EB3C486ADB9:
> to=<[email protected]>,
> relay=mxia.craigslist.org[208.82.237.86]:25, delay=1.2, delays=0/0.01/1.2/0,
> dsn=4.0.0, status=deferred (host mxia.craigslist.org[208.82.237.86] refused
> to talk to me: 554 [C9B22A45-685A-4E2D-BE03-F4070552B8C3@mxi7a]
> 45-16-99-97.lightspeed.sntcca.sbcglobal.net [45.16.99.97] Please use smtp
> relay of your ISP or setup non-generic DNS. See:
> http://www.craigslist.org/about/help/generic_DNS)
You have a non-default configuration that changes 5xx into 4xx
(soft_bounce, delivery_status_filter, reply_filter, ...).
Report output from "postconf -nf" and "postconf -Mf".
Wietse