tobi schrieb: > Wietse Venema schrieb: > >> tobi: >> [ Charset ISO-8859-1 unsupported, converting... ] >> >> >>> Wietse Venema schrieb: >>> >>> >>>> Tobi: >>>> >>>> >>>> >>>>> Hello >>>>> >>>>> I just wonder whether my idea is technically possible to fullfill with >>>>> Postfix. I already use sender based relaying which works fine. >>>>> My problem is that I'm running a Postfix Server on my dynamic IP-Address. >>>>> I >>>>> would say for 80% of the receivers is no problem to send the emails >>>>> directly (direct-mx). Some domains or receivers do not accept this due to >>>>> dynamic IP block. No problem I thought I could set up a receiver-based >>>>> relay, but unfortunatly I did not find anything about it in Postfix doc >>>>> (maybe I looked for the wrong keywords). >>>>> >>>>> >>>> See this URL: http://www.postfix.org/transport.5.html >>>> >>>> If I am not mistaken, this has precedence over sender-dependent features. >>>> >>>> >>> I tried according to Wietse's link to the manual and it works 50% ;-) >>> The email is properly forwarded according to receivers domain with the >>> values in transport conf file >>> But now Postfix has no user details to perform a SMTP Authentication at >>> the defined relay server. smtp tries to relay without auth which my >>> providers server don't like. If I'm using sender_dependent_relay then >>> >>> >> Then you made too many transport map entries. >> >> Wietse >> >> >> > Thanks for your patience :-) > But I only have two entries in transport which look like this > > cat /opt/etc/postfix/transport | grep -v "#" > postfix.org smtp:[smtp.mysip.ch]:587 > domain.tld smtp:[smtp.myotherisp.ch]:587 > > And only once in the config (main.cf transport_maps...). > I can see the unauthorized relay attempts with myisp.ch/myotherisp.ch in > the Postfix logs. So I assume that no login credentials were used. Is > transport meant to use the data from sender_relay and sasl_passwd files > to login to the relay servers? > > Regards > > tobi > Problem found 30cm in front of the screen. After changing the transport
postfix.org smtp:[smtp.mysip.ch]:submission domain.tld smtp:[smtp.myotherisp.ch]:submission it works. I thought :587 would be the same as :submission
