Evan Ingram wrote:
On Tue, 2008-07-29 at 15:02 +0200, mouss wrote:
check the firewall configuration. and if the postfix machine has
firewall software (or selinux/apparamor), check that as well.
Everything outbound should be allowed, port 25 is forwarded to the mail
server.
For the majority of mail servers its fine. I can send and receive from
them no problem. Just seems that im finding the number that cant send to
me is increasing :( and i don't know why.
$ host 82.71.116.46
46.116.71.82.in-addr.arpa domain name pointer gw.cariss.co.uk.
$ host gw.cariss.co.uk
gw.cariss.co.uk has address 82.71.116.46
so you have a custom reverse dns, but you are inside what looks like a
residential block.
$ host 82.71.116.45
45.116.71.82.in-addr.arpa domain name pointer
82-71-116-45.dsl.in-addr.zen.co.uk.
$ host 82.71.116.47
47.116.71.82.in-addr.arpa domain name pointer
82-71-116-47.dsl.in-addr.zen.co.uk.
some sites drop traffic from residential blocks, which could explain why
you cannot connect.
