| SPF & Postini | mabrams | 12/07/09 17:29 | I am running strict SP on my mail server. (SPF=Sender Policy Framework, which specifies the only valid sending IP address(s) for a domain) My domain has been counterfeited and I receive many many bounces from mail servers sending non deliverable |
| Re: SPF & Postini | FrankM TC/Reseller | 12/07/09 19:03 | Not sure I follow your problem. However, are you using Postini outbound? If so, do you have Null Sender Header Tag Validation turned on. The sample header does not have the users settings header, X-pstn-settings:. SPF only filters registered users. |
| Re: SPF & Postini | K3V | 12/08/10 13:12 | I think you are looking for the wrong thing here. SPF will only block fake incoming mail from OTHER domains. If your domain is being spoofed and you receive bouncebacks, you may want to look into changing your Null Sender Disposition settings. This |
| Re: SPF & Postini | FrankM TC/Reseller | 12/08/10 14:49 | You also have IP Lock and Null Sender Header Tag Validation. The latter is only good for use with outbound relay with message security. |