Hi,
thanks for your anwser, and forgive my late follow up.
So, I understand that this feature is currently missing in twisted. I
suppose that the only thing to do in my case is to override the
_messageHandled method, and implement all the logic needed to my
purpose. Is this correct? Are you aware of some technique other people
adopted?
Thanks a lot,
Fabio
On 23/11/13 13:08, exar...@twistedmatrix.com wrote:
On 10:36 am, sangiova...@nweb.it wrote:
Hello list,
I'm trying to code an SMTP server that stores received messages in a
queue (es. RabbitMQ or Redis).
I'm figuring out how to do it with Twisted, and so far I managed to
print to console the messages the way I want.
I'm trying to understand now how to return a tempfail code (4xx) from
within eomReceived(), so to simulate (and, in the future, handle)
temporary unavailabilities of the queuing system, and thus to
delegate to the client the handling/retrying of the delivery (there
will be postfix in front of my smtp server, so it will keep the
message in its spool).
I ended up digging in the code until I found the _messageHandled
callback of the SMTP class, that's added to the deferred returned by
eomReceived. I admit I'm not very accustomed to deferreds yet, but I
can only see 250 and 550 response code inside it. I suspect that I
should return the 4xx code in one of the deferred's
callbacks/errbacks *before* _messageHandled, but I really can't
imagine how. Would you please give me some hints about how to
accomplish the task? Am I looking to the right direction at all?
See https://twistedmatrix.com/trac/ticket/4904
Jean-Paul
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