On 04/21/2010 09:45 PM, Mij wrote: > Hello folks, > > Postfix appears to be breaking RFC 5321 by speculatively injecting > the entire envelope session passing over replies from the server. > > In src/smtp/smtp_proto.c , smtp_loop() handles the delivery loop by > deliberately "pipelining" commands and replies in separate queues. > > Only the SMTP greeting is waited for in the whole envelope, but > curiously, RFC 5321 appears to specify the opposite: > > in 4.3.1 : > """ > One important reply is the connection greeting. [..] The sender > SHOULD wait for this greeting message before sending any commands. > """ > > """ > The communication between the sender and receiver is an alternating > dialogue, controlled by the sender. As such, the sender issues a command > and the receiver responds with a reply. Unless other arrangements are > negotiated through service extensions, the sender MUST wait for this > response before sending further commands. > """ > > I didn't track back in which version this behavior originates, but it still > appears to be present in 2.7.0 . > > cheers! > mij
Mij, You said in the #postfix channel that you had a pcap file, might want to include it. -Matt
