Ed,

Okay, so you have OL set to "Always send receipts."  In any case, we're now 
closer to where the real problem is.  That 550 error will happen if your 
FROM: address is @ a host that isn't recognized by Imail as local, and 
you're using the "Relay for local hosts" option (you said you were 
earlier).  You can play around with Imail's accept.txt to solve this, or go 
the easier and safer route: use SMTP AUTH (check "My server requires 
authentication" in your Internet E-Mail service), which always allows you 
to relay.  Remember what I said before about multiple personalities?  This 
sounds like that problem in a nutshell, if you are receiving mail from a 
POP3 server @marlinfirearms.com but sending SMTP through the same server as 
if you are @carbyxxx.com.

Experts on this list will tell you not to use "Relay for local hosts" 
anyway, as it only requires a lie in someone's Outlook setup to fool it.

Sandy

At 03:27 PM 6/27/2001, you wrote:
>Sandy,
>I'm using Outlook 2000 SR-1 and I don't get the MDN popup that you refer to.
>I just got an error message while trying to send the receipt.  "The message
>could not be sent because one of the recipients was rejected by the server.
>Server response:550 not local host carbyxxx.com, not a gateway."  Does this
>help?
>
>Ed Chabot
>The Marlin Firearms Company
>100 Kenna Drive
>North Haven, CT 06473
>(203)985-3254
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Sanford
>Whiteman
>Sent: Wednesday, June 27, 2001 1:45 PM
>To: [EMAIL PROTECTED]
>Subject: RE: [IMail Forum] Return receipts not sent back
>
>
>Don't worry about the time.  So you did get the MDN popup on your machine,
>then confirmed that you wanted to send the receipt, but the msg did not
>send?  Have you looked at the source of the msg in the Outbox?  And you
>said "the user" is using OE--what are you using?  If the MUA allows for
>multiple mail personalities/identities/services, is it possible that you
>have received the msg through a profile that has invalid SMTP server
>credentials?  I've done this before with Eudora--responses to a msg
>received under a given personality get sent using the same personality, so
>if that personality is set up for receiving only (like an secondary mailbox
>somewhere), the message will not send.  Same in OE.
>
>Sandy
>
>At 11:26 AM 6/27/2001, you wrote:
> >The user is using Outlook Express and I looked at the header info and saw
> >the Disposition-Notification-To: section that you refer to.  His reply is
> >still sitting in my outbox.  My settings allow sending all receipts.  I
> >guess it's not critical and I don't want to take up more of anybody's time,
> >it's just one of those things that bugs you a little.  Thanks to all for
> >their replies.
> >
> >Ed Chabot
> >The Marlin Firearms Company
> >100 Kenna Drive
> >North Haven, CT 06473
> >(203)985-3254
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED]]On Behalf Of Sanford
> >Whiteman
> >Sent: Wednesday, June 27, 2001 3:55 AM
> >To: [EMAIL PROTECTED]
> >Subject: Re: [IMail Forum] Return receipts not sent back
> >
> >
> >Ed,
> >
> >Do you know what mail application the the external "people" are
> >using?  Some apps and older versions generate the outdated
> >Return-Receipt-To: (RRT) header, a directive which is not supported by
> >Imail, instead of (in newer apps it's usually in addition to) a Message
> >Disposition Notification (RFC 2298) request via a
> >Disposition-Notification-To: header.  Only the MDN will provoke the "Do you
> >want to send a receipt?" popup.  Though you should certainly have the
> >REFUSE NULL <> SENDERS off as everyone suggested for RFC compliance, this
> >only affects Delivery Service Notifications (DSNs), which are processed
> >automatically at the server.  It has no affect on MDNs, which are processed
> >voluntarily at the client.
> >
> >Outlook Express, for example, generates only MDN requests.  Eudora 5
> >generates MDN requests, with the option to send the outdated RRT along with
> >it.  Outlook 2000 can request MDNs (Options-Request a read receipt) or DSNs
> >(Options-Request a delivery receipt).  In the incoming message, you should
> >be able to look at the headers and see what it's sending, if anything.  My
> >guess is that, as you look more closely at a range of machines, you'll see
> >that either users have disabled MDN responses in their mail app, or the
> >sender is not sending an MDN request.
> >
> >Re: forwarding MDN responses, this would only be a problem if you
> >deliberately filtered outgoing messages through some other gateway
> >product.  Imail can't do this.  MDN responses don't use a <> sender or
> >anything really special--they just look like they came from the original
> >recipient's e-mail address (though they are identified deeper down in the
> >headers with MIME type "Disposition report" and some other junk).  So all
> >of the users are already on your local host.
> >
> >Sandy
> >
> >At 11:29 AM 6/26/2001, you wrote:
> > >Does anyone know why receipts that people request from users on our
>system
> > >don't get forwarded back?  I assume it's because we have our relay
>options
> > >set to only users on our local host but I'm not sure.  Is there a way
> >around
> > >this?
> > >
> > >Ed Chabot
> > >The Marlin Firearms Company
> > >100 Kenna Drive
> > >North Haven, CT 06473
> > >(203)985-3254
> > >
> > >
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