Author: Peter Bowyer Date: To: exim-users Subject: Re: [exim] connection timed out when connecting to remote hosts using
a non standard smtp port
On 09/09/05, Fred Viles <fv+exim@???> wrote:
> On 9 Sep 2005 at 2:46, jonn ah wrote about
> "Re: [exim] connection timed out whe":
>
> | 2005-09-09 12:23:57 1EDaQO-0002rL-I3 ** jon@??? R=dnslookup
> | T=remote _smtp: SMTP error from remote mailer after initial
> | connection: host mx3.mail.yah oo.com [4.79.181.12]: 553 Mail from
> | 203.131.191.27 not allowed - VS99-IP1 deferr ed - see
> | help.yahoo.com/help/us/mail/defer/defer-02.html (#5.7.1)
> |
> | I've checked that help and it seems that yahoo thinks my mail server is
> | an open-relay server, however, I've tested it against the various
> | open-relay tests and my mail server is secure...
>
> I see two other possibilities. Your ISP has a generic PTR record
> corresponding to your IP address:
>
> 27.191.131.203.in-addr.arpa. PTR adsl-131.191.27.info.com.ph.
>
> But adsl-131.191.27.info.com.ph does not have a corresponding A
> record. Contrary to what the web page says, Yahoo may be rejecting
> you for failing a IP->name->same IP test. You'd need to get your ISP
> to fix this, either by creating the necessary A for thier generic
> name, or preferably by putting your actual hostname on the PTR
> record.
>
> Another possibility, which seems unlikely to me, is that you are
> being rejected because 203.131.191.27 is listed in the five-ten
> DNSBL: <http://www.five-ten-sg.com/blackhole.php?203.131.191.27>
.. and in BLARS.
Peter
--
Peter Bowyer
Email: peter@???
Tel: +44 1296 768003
VoIP: sip:peter@???
