If your isp publishes spf records, you can include their domain in
yours. For example:
"v=spf1 mx a:yourserver.yourdomain.com include:optonline.net -all"
Erik
On 4/21/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
>
> Is there a way to whitelist approved sender locally? without touching DNS?
>
> My ISP is optimum online, I have a webserver (slackware-sendmail) and
> mailserver (centos+qmail_toaster). Since my ip is dynamic I am on the list
> where I am not able to send e-mail's directly (forgot the name). Instead I
> am using my ISP's relay on both webserver and mailserver. Problem is my ISP
> has multiple mx, so putting them all in my DNS SPF one by one is
> troublesome.
>
> Also, if i had to use my qmail_toaster as the relay for my webserver, will
> it accept my e-mails without being blocked by SPF?
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