How can I…?
Windows 2000/XP/2003 machines have a built-in IP security mechanism called IPSEC (IP Security).
| Your domain name is | mydomain.com |
| Your e-mail is handled by: There are 2 MX records defined in the DNS | 199.199.199.1 199.199.199.2 |
| Your web address is: This refers to your A record | 199.199.199.3 199.199.199.4 |
| Other SMTP servers on your network: | 199.199.199.5 199.199.199.6 |
You can enter the following SPF record, which is a TXT record in the DNS like:
"v=spf1 a mx ip4:199.199.199.5 ip4:199.199.199.6 -all"
This entry tells the recipients SMTP server that an email where the sender’s address contains “mydomain.com” can only come from certain IP addresses.
| Computer | Software |
| PRO1Windows XP Pro | Remote Desktop10.0.0.100:3389 (TCP) |
If any other IP address is used to send message the recipient can reject it.
=>software [software]=>version Active : GV8BAA3.721 Passive : Gv8baa3.721
If any other IP address is used to send message the recipient can reject it.
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