--- /dev/null
+# Description
+
+Test smtp pipelining support.
+
+# PCAP
+
+The pcap comes from running postfix as a server and the present dummy python script client.py
+The postfix server advertises pipelining support in the pcap and accepts all commands MAIL FROM, RCPT TO and DATA in one packet, and returns only one answer.
--- /dev/null
+import socket
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+sock.connect(("127.0.0.1", 25))
+
+data = sock.recv(2000)
+print "1", data
+a = sock.send("EHLO ehlo.fr\r\n")
+data = sock.recv(2000)
+print "2", data
+a = sock.send("MAIL FROM:<username@domain.com>\r\nRCPT TO:<john.doe@example.com>\r\nDATA\r\nThis is a test\r\n.\r\n")
+data = sock.recv(2000)
+print "3", data
+
+sock.close()