On Thu, 15 Jan 2004 09:56:19 -0500 Bryan Phinney <[EMAIL PROTECTED]> wrote:
>On Thursday 15 January 2004 09:01 am, jason pearl wrote: > >> i can send mail to myself.. i sent an email from >[EMAIL PROTECTED]> i can send it to my cox email but not to >anyone else.> what do i put for mx records at the no-ip account? i put >my cox mx> records. > >Do you mean that you can send mail from your Postfix server to your cox >email account but not to anyone else? If so, do you get a bounce >message or is your message refused when you send it or does it just not >get received? > >If the ISP blocks outgoing port 25, you will send a message to an >external address and it will just disappear. You can still send mail >to local ISP accounts because port 25 traffic is only blocked at the >router for outgoing traffic, internally, it still works. The local >mail server accepts your mail because it recognizes that your IP is >internal to its network, so it accepts the traffic. If that seems to >be what is happening, then your outgoing port 25 is probably blocked. > >If your port 25 is open and you want to check it, simply try to telnet >to port 25 of your external WAN IP address. If your postfix server >responds, then port 25 is not blocked. > >I am pretty sure that you should NOT be using the cox mail server >address. Any mail bound to your myvnc.com domain will not be >recognized by the cox mail server and will be refused. If they have >agreed to accept mail for your domain and let you download it from >them, you should use their mail server. > >The MX record at no-ip.com needs to be the hostname of a mailserver. If >you were using an external mail hosting service that collects your mail >and then sends it to your machine, this is where you would put the name >of that mail server hostname. Otherwise, I am pretty certain that you >leave that blank. You can also set wildcards so that all requests to >your domain are sent to the IP you have updated. So, www.no-ip.com, >mail.no-ip.com, ftp.no-ip.com, etc. >-- >Bryan Phinney >Software Test Engineer > I never bet a bounce back and nobody can telnet to me even with my router port opened so i guess the outgoing 25 is blocked? so does that mean incoming is blocked also? -- jason pearl <[EMAIL PROTECTED]> ++++++++++++++++++ "Keep your friends close and your enemies closer"-Tupac ++++++++++++++++++ Kurrupted Visionz Phx, AZ registered linux user #307811 MDK 9.2 Linux Machine# 193475, 227341 AMD64 Opteron 1.6 http://counter.li.org ASUS SK8N uptime: 10:15:52 up 3 days, 15:37, 3 users, load average: 0.07, 0.02, 0.00
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