"Frank Tegtmeyer" <[EMAIL PROTECTED]> wrote:

>If VERPs are used you have different senders.

Different *envelope* senders, yes: that's how VERP works. But the
originator is one entity (a user or a mail list handler).

>So bundling receivers of 
>the same message at one host is a non issue at all (at least with SMTP).

Assume you have one message sent to many recipients on a single
host. With VERP, since the envelope return path contains the
recipient's encoded address, each message *much* be delivered
separately. Without VERP, the message can be sent once with multiple
RCPT's.

-Dave

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