On 20/01/15 21:05, Viktor Dukhovni wrote: >>> How do you deal with a nexthop SMTP relay that rejects a non-empty
>>> proper subset of the recipients (replies to RCPT TO).
>>
>> Each response to RCPT TO from the onward connection is reflected
>> to the inbound connection.
>
> So you start out with optimistic cut-through,
yup
> and queue any later
> recipients that take a different route?
Actually, we give up on cutthrough for all
recipients of the message as soon as one
needs a different routing - it being simpler
to implement.
--
Cheers,
Jeremy
