Mike Easter wrote:
> ~BD~ wrote:
>> You will see in the message info. below that this email was addressed
>> as shown:
>>
>> To: <boab_doc@hotmail.co.uk>
>>
>> How can it have arrived in *my* inbox (I'm BoaterDave at hotmail.co.uk)
>
> Short version:
>
> What the mail recipient sees in the To: field is only what the sender
> constructed/configured to populate the To: field. A great many other
> recipients can receive the same mail.
>
> Another version:
>
> If you (yourself with your mail agent) construct a mail to send to a
> great many recipients, it is not necessary (nor wise nor polite) to put
> all of your recipients into the To: field. Instead you can put all of
> them into the BCC field. Or you can put one of them into the To: field
> and then all of the recipients you included in the BCC field will get a
> mail showing that person's To:

I understand. Thanks, Mike.

> Another version:
>
> For some discussions, it is useful to consider the concept of what some
> call the 'smtp envelope' which is a series of transactions between the
> sender and the smtp server. Those elements consist of HELO, MAIL FROM,
> RCPT TO, and DATA. The information concerning who is to receive the mail
> is in the RCPT TO part. The information about the structure of the mail
> such as subject and from and to and cc is contained in the DATA section.

I'll ponder on that info. Thanks again.