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)
Wietse Venema:
> You have a non-default configuration that changes 5xx into 4xx
> (soft_bounce, delivery_status_filter, reply_filter, ...).
Actually, this is the default behavior of smtp_skip_5xx_greeting=yes.
When a server greets with 5xx instead of 220, it supposedly means
that this server does not receive email; it does not necessarily
mean that the email message is undeliverable.
Wietse
