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RE: Mail Data termination
> -----Original Message-----
> From: Tony Finch [mailto:fanf2@xxxxxxxxxxxxxxxx] On Behalf Of Tony Finch
> Sent: Thursday, August 18, 2011 4:14 AM
> To: Murray S. Kucherawy
> Cc: ietf-smtp@xxxxxxx
> Subject: RE: Mail Data termination
> Murray S. Kucherawy <msk@xxxxxxxxxxxxx> wrote:
> > One of the more ubiquitous MTAs out there has a feature called
> > "connection caching" where it will keep some fixed number of outbound
> > SMTP connections around, cycled using an LRU method, in case a new
> > message arrives that is routed to a recent destination to avoid the cost
> > of making a new connection and doing the initial SMTP negotiation.
> I believe Postfix and Exchange can do this.
And I was referring to Sendmail.
The more SMTP clients there are that do this, the more likely it is that a server demanding QUIT before scheduling a delivery attempt will lose mail.