SRS and SPF can be used if your upstream isp publishes spf records.
You can use the include statement (more info at openspf.org) to
include their spf entries into your spf records. SBC, however, doesn't
publish SPF records as Yahoo handles their infrastructure.
The Qmail DomainKey implementation is to spec, but doesn't implement
the optional "h=" header that limits the scope of the DomainKey
signature to certain parts. Because of this, DomainKeys will fail if
it is forwarded through a third party server.
Erik
On 1/16/07, Trung Pham <[EMAIL PROTECTED]> wrote:
I currently have all my outgoing emails forwarded to my ISP server using
smtproutes. So I am curious if I can still use domainkeys, spf, or srs
features since my ISP will definitely modify the email header.
FYI, I am using SBC Business DSL. I had to resolve to smtproutes otherwise
Yahoo will put emails coming from me into the bulk folder.
Please let me know if those features still work if I use my ISP to relay
my mails.
My goal is to stop incoming spams that forge my own address.
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