Wietse Venema:
> Chris Bamford:
> > Thanks guys. I'd like to know about both sender and recipient domain.
>
> You want the Postfix SMTP client to use a customer-specific client
> certificate when it delivers email:
>
> - FROM that customer domain (i.e. customer domain = sender domain)
>
> - TO that customer domain (i.e. the customer domain = recipient domain).
>
> The difference matters.
For posterity, I am referring to the envelope sender (the MAIL FROM
email address in SMTP) versus the envelope recipient (the RCPT TO
email address in SMTP).
Wietse
