On Thu, 25 Jun 2009, Victor Duchovni wrote: > On Thu, Jun 25, 2009 at 09:46:51PM -0400, Sahil Tandon wrote: > > > On Thu, 25 Jun 2009, Rob Tanner wrote: > > > > > I?ve got a policy listener in place. It merely logs the request and > > > returns > > > an ?OK? and doesn?t otherwise make any decisions. What I?m noticing is > > > many > > > of the client requests do not even contain the instance attribute. My > > > assumption from reading the documentation was that even a single recipient > > > message would contain an instance attribute with a unique value. Is that > > > incorrect? How do I interpret a request with no instance attribute? > > > > In which phase of the SMTP transaction do you plug in your policy service? > > From what I understand, the instance attribute does not exist until Postfix > > chooses/assigns a queue ID, which happens *after* the first RCPT TO command > > is accepted. If your policy service plugs in before that, there is no > > instance; therefore, the attribute is empty. > > IIRC, the instance attribute identifies a mail transaction and is assigned > before the queue-id.
My bad reading of src/smtpd/smtpd_check.c, then. But does that mean an instance can exist *before* the first recipient is accepted? For context: http://www.irbs.net/internet/postfix/0412/0896.html -- Sahil Tandon <sa...@tandon.net>
