Thanks for that tip Shayne. It seems that my SPF implementation is passed by gmail.
-------- Original Message -------- > From: "Shayne Embry" <[EMAIL PROTECTED]> > Sent: Sunday, February 18, 2007 9:30 AM > To: declude.junkmail@declude.com > Subject: Re: [Declude.JunkMail] OT: SPF record question > > Gary, > > One good way to check your SPF implementation is to send a message to a gmail > account. Gmail will allow you to see the entire message header and includes a > line showing that Google checks for SPF. > > Shayne > > > -------- Original Message -------- > > From: "Shayne Embry" <[EMAIL PROTECTED]> > > Sent: Sunday, February 18, 2007 8:06 AM > > To: declude.junkmail@declude.com > > Subject: Re: [Declude.JunkMail] OT: SPF record question > > > > Gary, > > > > You are correct. Message from authenticated accounts to other accounts on > > your server will show the originating IP as the last hop. Be assured, this > > is not the case with messages leaving your server bound for other > > locations. We've been using SPF and SmarterMail successfully for several > > years; in fact, it has saved our butts on several occasions. > > > > As for Hotmail, Yahoo, AOL and the like, it's always a crap shoot anyway. > > We have one client that sends a weekly newsletter; one week everything runs > > smoothly and the next we'll get 100 messages back from Yahoo. We've given > > up trying to figure it out, but SPF is not the culprit. > > > > Shayne Embry > > > > > > > > -------- Original Message -------- > > > From: "Gary Steiner" <[EMAIL PROTECTED]> > > > Sent: Sunday, February 18, 2007 1:54 AM > > > To: declude.junkmail@declude.com > > > Subject: Re: [Declude.JunkMail] OT: SPF record question > > > > > > No, I never belived that the SPF check was run against all the received > > > headers. I'm just looking at how Declude does its SPF check on email > > > that comes into my server. It always does it on the last hop. But > > > looking at the headers of the outgoing messages, (as I showed in my > > > message below from February 16, 2007 4:10 PM), the last hop is shown as > > > the IP address of the originating Outlook sender. This is why I am > > > confused. Maybe this is a flaw in SmarterMail in that it does not list > > > itself in the headers of messages that are internal to the server. > > > > > > I'm just not comfortable with SPF and am worried that I am shooting > > > myself in the foot by providing a method for other servers to block my > > > legitimate mail. I probably should have done more testing first, but I > > > don't really have a good way to specifically check for SPF validity. For > > > example, I created a Yahoo account and a Hotmail account. I sent email > > > from my server to each. Hotmail sent my message to its junkmail folder, > > > Yahoo did not. I have no way to know why Hotmail chose to flag the email > > > as junk and Yahoo did not, as neither add any spam checking messages to > > > the header. I can see that both do list my mail server as the last hop > > > and not the originating Outlook computer as the messages in my server's > > > webmail do. > > > > > > At this point maybe I will just wait and see if any of my customers > > > complain about bounced mail. If I don't hear any complaints, then I > > > (probably) don't have anything to worry about. > > > > > > Gary > > > > > > > --- This E-mail came from the Declude.JunkMail mailing list. To unsubscribe, just send an E-mail to [EMAIL PROTECTED], and type "unsubscribe Declude.JunkMail". The archives can be found at http://www.mail-archive.com.
