Wietse Venema a écrit : > Michael Katz: > -- Start of PGP signed section. >> Is there any way that Postfix can route SMTP auth requests to a >> downstream SMTP server while still processing other SMTP traffic? > > Postfix is not a proxy. > > However, Postfix supports multiple SASL authentication implementations > via the modular XSASL API. If someone writes code for that API, > then they can plug in other authentication implementations, including > one that proxies the request downstream. >
It looks like he wants postfix/smtp to authenticate to the final server using the auth infos that were given to postfix/smtpd. This is a bit complex as it means storing the authentication infos somewhere and that authentication can be "replayed".