I believe this was asked before but what are the most common and usefull
headers and their purpose
there's' return-path, errors-to, precedence: bulk
any others worth mentioning?
----- Original Message -----
From: "Howie Hamlin" <[EMAIL PROTECTED]>
To: "inFusion Support List" <[EMAIL PROTECTED]>
Sent: Saturday, December 09, 2000 4:43 PM
Subject: Re: [iMS] ReportPostStatus.cfm -- bad e-mails
>
> ----- Original Message -----
> From: "Tac/Smokescreen Action Network" <[EMAIL PROTECTED]>
> To: "inFusion Support List" <[EMAIL PROTECTED]>
> Sent: Saturday, December 09, 2000 8:31 AM
> Subject: [iMS] ReportPostStatus.cfm -- bad e-mails
>
>
> > I'm trying to catch bad e-mail addresses from ReportPostStatus. When I
> send
> > a message to [EMAIL PROTECTED], it comes back as a
successful
> > deliver (in the DeliveredList, rather than in the Failed List), even
> though
> > the logs show it with a message coming back from yahoo saying that the
> user
> > did not have an account.
> >
> > Shouldn't this be going to the PermFailedList?
> >
>
> Some large hosts like Yahoo and AOL allow you to deliver mail to *any*
> address successfully. I just tried telnetting into a Yahoo server
> (128.11.68.59) and I could successfully speficy a bogus RCPT TO address.
> What will then happen is that Yahoo will accept the mail and then send an
> error to the recipient. There is no way for the POST Server to know this
as
> the remote server says that the recipient is OK. Here is the transaction
> that shows this:
>
> 220 YSmtp mta135.mail.yahoo.com ESMTP service ready
> 250 mta135.mail.yahoo.com
> 250 sender <[EMAIL PROTECTED]> ok
> 250 recipient <[EMAIL PROTECTED]> ok
>
> So, all the POST Server can do is tell you that the mail was accepted for
> delivery to the remote end - this is always the case. If you want to
> guarantee delivery to the server then you need to send a return-path
address
> or specify a sender in the SMTPFROM of an address in the iMS SMTP Server
> that will check for returned mail. For exmple:
>
> Send mail to [EMAIL PROTECTED]
> Set SMTPFROM and RETURN-PATH to be [EMAIL PROTECTED]
>
> Now, in your SMTP code you check for the string "returns-" and analyze the
> SMTPTO from the SMTP server and see what the bad address is.
>
> HTH,
>
> Howie
>
>
> > Tac
> >
>
>
>
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