* Stephan Bosch <step...@rename-it.nl>: > On 5/10/2013 12:12 PM, Christian Rohmann wrote: > >Hey Stephan, > > > >On 05/09/2013 11:23 PM, Stephan Bosch wrote: > >>It basically acts as a front-end to your normal MTA. First of all, it > >>provides a convenient way to add SMTP AUTH support to any MTA. But the > >>main goal for this project is to implement an SMTP submission server > >>with full support for the LEMONADE profile > >>(https://tools.ietf.org/html/rfc4550). It acts as a proxy server, so it > >>doesn't queue anything; once the client sees a success reply for the > >>message submission, it is already accepted in the actual MTA queue. > > > >I have one remark and one question: > > > >Remark: Don't forget XCLIENT / XFORWARD support to help the "real" > >MTA understand who it's really talking to. > > XCLIENT is already implemented. But, afaik, this is only supported > by Postfix. I also noticed a problem with XCLIENT LOGIN=<user>. > Even when that is specified, Postfix doesn't allow relaying for a > client authenticated through Dovecot submission. I am still not sure > what I am messing up there (I did configure > smtp_recipient_restrictions correctly I believe). > > What is XFORWARD good for? It looks very similar, but focused on > dealing with mail filter intermediaries. I don't think this applies > here.
It forwards the META data for logging purposes and is useful to create consistent logging. p@rick -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein