Did you try to telnet to port 25 on the ip of one of their MX servers instead of to the IP of their A record?
Lyle Ir0nFl4m3 wrote: > No ip is clean, most outgoing email are correcly delivered! > > > 2010/6/21 Lyle Giese <l...@lcrcomputer.net <mailto:l...@lcrcomputer.net>> > > Ir0nFl4m3 wrote: >> Helo, >> >> i have install PFSENSE in production and i have configured it >> properley (imho), but i'am novice of pfsense... >> I have this problem, >> >> internet <----- pfsense ---> switch ---> servers >> rl0 vr0 >> >> I have 2 web servers and they works perfectly from internet, but >> i have a mail server qmail that can't delivery emails to some >> domains! >> I try directly from mailserver: >> >> traceroute to libero.it <http://libero.it> (195.210.91.83), 30 >> hops max, 40 byte packets >> 1 192.168.2.1 (192.168.2.1) 0.472 ms 0.352 ms 0.410 ms -- pfsense >> gateway >> 2 * * * >> 3 * * * >> 4 * * * >> 5 * * * >> 6 * * * >> 7 * * * >> 8 * * * >> 9 * * * >> 10 * * * >> 11 * * * >> 12 * * * >> 13 * * * >> 14 * * * >> 15 * * * >> 16 * * * >> 17 * * * >> 18 * * * >> 19 * * * >> 20 * * * >> 21 * * * >> 22 * * * >> 23 * * * >> 24 * * * >> 25 * * * >> 26 * * * >> 27 * * * >> 28 * * * >> 29 * * * >> 30 * * * >> --------------------------------------------------------------------- >> traceroute to gmail.com <http://gmail.com> (72.14.234.83), 30 >> hops max, 40 byte packets >> 1 192.168.2.1 (192.168.2.1) 0.331 ms 0.454 ms 0.370 ms -- pfsense >> gateway >> 2 188-65-80-253-ptp.freemax.it >> <http://188-65-80-253-ptp.freemax.it> (188.65.80.253) 1.020 ms >> 1.105 ms 0.992 ms >> 3 10.255.1.5 (10.255.1.5) 39.923 ms 39.826 ms 39.733 ms >> 4 10.255.0.1 (10.255.0.1) 39.651 ms 39.556 ms 39.455 ms >> 5 62.196.35.5 (62.196.35.5) 179.728 ms 50.070 ms 80.210 ms >> 6 217.26.80.33 (217.26.80.33) 84.053 ms 83.984 ms 83.632 ms >> 7 62.196.10.237 (62.196.10.237) 89.537 ms 89.576 ms 89.559 ms >> 8 62.196.10.169 (62.196.10.169) 93.187 ms 93.116 ms 93.258 ms >> 9 62.196.10.165 (62.196.10.165) 93.179 ms 93.071 ms 92.970 ms >> 10 Google-Peer.tip.net <http://Google-Peer.tip.net> (194.20.4.42) >> 88.814 ms 88.721 ms 88.625 ms >> 11 209.85.249.54 (209.85.249.54) 39.653 ms 50.060 ms 89.792 ms >> 12 72.14.232.63 (72.14.232.63) 84.429 ms 84.323 ms 84.221 ms >> 13 mil01s07-in-f83.1e100.net <http://mil01s07-in-f83.1e100.net> >> (72.14.234.83) 84.105 ms 83.982 ms 83.605 ms >> >> Tryng telnet: >> >> telnet libero.it <http://libero.it> 25 >> Trying 195.210.91.83... >> >> not work... >> >> Plese help! >> >> >> -- >> ir0nfl...@gmail.com <mailto:ir0nfl...@gmail.com> > I can not traceroute to that IP address either from here. And > it's not the mx of record for libero.it <http://libero.it>. > Libero.it is a large ISP and has many mx servers listed and none > that I see start with 195.x.x.x From here the MX records all > point to 212.x.x.x > > It's also possible that your public ip address(which I don't think > is listed here) is blacklisted and some ISPs won't even respond to > a port 25 requests from certain IP addresses. > > Lyle Giese > LCR Computer Services, Inc. > > > > > -- > ir0nfl...@gmail.com <mailto:ir0nfl...@gmail.com>
