How can I diable Entourage from responding to RCPT TO requests?
> "Paddo" wrote in
> > How do I prevent getting read receipts from people in the cc list?
> > I only want to get receipts from the people in the To list.
> There is NO differentiation between those listed in the To and Cc headers
> (and those listed in the Bcc field, too). None of those fields are used to
> route your e-mail. The values are aggregated into a list whereupon the
> e-mail client issues the RCPT-TO command to the SMTP server for each
> recipient in the list. It is possible for the e-mail client to use a
> different input list of recipients used when generating the RCPT-TO list,
> similar to how a bulk mailer, listserver, or spammer's client would use
> (i.e., they read an input file of recipients to create RCPT-TO commands and
> care nothing about what are in the To or Cc fields).
> The To, Cc, and Bcc fields are optional. There is no difference in what
> recipients are listed in each header since they are not use separately to
> somehow differentiate the recipients. Those header are just part of the
> *data* that gets sent in the DATA command issued by the e-mail client to the
> mail server. All those headers separated by a blank line from the body is
> just ONE message, and all of it gets sent in the DATA command. It is up to
> the e-mail client to interrogate the fields in the UI to compile a list of
> recipients used in the RCPT-TO commands.
> The request for a read receipt is just adding the Read-Receipt-To or
> Return-Receipt-To or Return-Receipt-Requested header, all of which are
> non-standard headers, to your message (remember that the headers and body
> are just all one message which gets sent as *data* and not used to route
> your mails). That means the same message, as data, gets received by each
> recipient. For N recipients, N copies of the RCPT-TO command are issued,
> but they are all issued using the *one* DATA command that was used to send
> your message (headers and body in the ONE message) to the mail server.