On 06/06/2011 12:33 PM, Arun Khan wrote: > On Mon, Jun 6, 2011 at 1:35 AM, Rony <[email protected]> wrote: > >> I have been going through various docs on the net about sasl >> authentication in postfix. > I hope you are referring to postfix's docs and references. Your > scenario is a common setup and IIRC there are examples on postifx's > site on how to do this.
The problem is that examples are one sided, ie. either they tell you how to set up postfix as a client or a server. In my case it is both as it is a server for OE and client for the ISP. > > Have you also enabled relay for the "local" LAN? If yes, then this > needs to be disabled. There is only one relay entry and that is for the ISP smtp. > *All* "local" users need to provide credentials to postfix for > accepting emails from local clients. I had skipped that part as realised later. > This is a good place to start > <http://www.postfix.org/SASL_README.html> if you have not read it. > > Also you have not mentioned which SASL mechanism you are using. In > Cyrus SASL, the sasl_authd (sp?) service needs to be active. This is > what I recall from what I had done in a postfix setup looooong time > ago :) I think it is cyrus. > After deleting the user did you regenerate the hash file? I do it every time a change is made. >> Suppose there is a flaw in my settings, >> shouldn't the ISP's mail server reject those mails when the username and >> password do not match with their list? That user has been deleted from >> their server. > No. You are probably authenticating your postfix server with that of > our ISP SMTP, with a "particular" username/password or you have > requested your ISP to allow relay from your WAN IP (static). In > either case the onus is on your smtp server to allow/reject messages > at the time when the local smtp client connects to the postfix smtp > server in the LAN. > I don't have static IP. Just the regular mtnl triband with dynamic ip. I will post the main.cf file. -- Freedom is a shared resource. Take some, leave the rest for others. Please trim your replies. Avoid cross posting to other lists. Post your replies below the relevant original text, leaving a line space. Regards, Rony. -- http://mm.glug-bom.org/mailman/listinfo/linuxers

