# cutthrough_delivery basic operation
need_ipv4
#
server PORT_S
220 ESMTP
EHLO
250 OK
MAIL FROM:
250 Sender OK
RCPT TO:
250 Recipient OK
DATA
354 Send data
.
250 OK
QUIT
250 OK
****
exim -d-all+acl+transport -bs
EHLO myhost.test.ex
MAIL FROM:<CALLER@myhost.test.ex>
RCPT TO:<userx@domain.com>
DATA

.
QUIT
****
# cutthrough_delivery into HELO-only server
server PORT_S
220 SMTP only spoken here
EHLO
550 Not here, mate
HELO
250 OK
MAIL FROM:
250 Sender OK
RCPT TO:
250 Recipient OK
DATA
354 Send data
.
250 OK
QUIT
250 OK
****
exim -d-all+acl+transport -bs
EHLO myhost.test.ex
MAIL FROM:<CALLER@myhost.test.ex>
RCPT TO:<userz@domain.com>
DATA

.
QUIT
****
# cutthrough cancelled by multiple recipients
server PORT_S 2
220 ESMTP
EHLO
250 OK
MAIL FROM:
250 Sender OK
RCPT TO:
250 Recipient OK
QUIT
*eof
220 ESMTP
EHLO
250 OK
MAIL FROM:
250 Sender OK
RCPT TO:
250 Recipient OK
RCPT TO:
250 Recipient OK
DATA
354 Send data
.
250 OK
QUIT
250 OK
****
exim -d-all+acl+transport -bs
EHLO myhost.test.ex
MAIL FROM:<CALLER@myhost.test.ex>
RCPT TO:<usery@domain.com>
RCPT TO:<userx@domain.com>
DATA

.
QUIT
****
sleep 1
#
#
#
#
#
# cutthrough_delivery basic operation, again
server PORT_S
220 ESMTP
EHLO
250 OK
MAIL FROM:
250 Sender OK
RCPT TO:
250 Recipient OK
DATA
354 Send data
.
250 OK
QUIT
250 OK
****
exim -d-all+acl+transport -bs
EHLO myhost.test.ex
MAIL FROM:<CALLER@myhost.test.ex>
RCPT TO:<userx@domain.com>
DATA
X-hdr-rtr: qqq
X-hdr-tpt: zzz

body
.
QUIT
****