looping question
in [Postfix]
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From: charles on 6 May 2010 11:37 Noel Jones wrote: > On 5/6/2010 9:26 AM, Noel Jones wrote: >> On 5/6/2010 9:16 AM, charles wrote: >>> /dev/rob0 wrote: >>> > On Thu, May 06, 2010 at 07:37:00AM -0500, CT wrote: >>> >> I do believe this is a relatively simple issue to solve. but >>> >> haven't found it yet.. >>> >> >>> >> *my-relay* = internal relay >>> >> *master-relay* = internal and external relay >>> >> >>> >> Setup >>> >> Sending host => *my-relay* => *master-relay* >>> >> >>> >> relayhost = master-relay >>> >> >>> >> Looping issue.. >>> >> When the *master-relay* sends *my-relay* a bounced message *my-relay* >>> >> sees the destination and then sends it back to the *master-relay*. >>> >> >>> >> I want my-relay to "receive" *all* email from the *master-relay* >>> >> and dump it into the Postmaster (alias) mailbox instead of sending it >>> >> *back* to the *master relay*.. >>> >> >>> >> What would be the best way to do this.? >>> > >>> > I think it is simple too. Solve it outside of Postfix, in the MUA >>> > and/or mail-sending software. Set the sender domain to be in your >>> > $mydestination, and the localpart to be a valid local(8) user or >>> > something in aliases(5). Then when a bounce comes from the >>> > master-relay, your Postfix will know what to do with it. >>> > >>> >> here is the postfinger output.. >>> > >>> > Munged beyond all possible usefulness. Mail routing issues tend to >>> > require real domain names to diagnose properly. Please also include >>> > logs if you think you need to post again. >>> > >>> >> -- postfinger output -- >>> > [snip] >>> >>> I should have stated, I have no control over the sending hosts in the >>> trusted networks, subsequently *most* are *send-only*and in most cases >>> do not have an internal or external DNS or MX record. >>> >>> The master-relay is a "required" setting as it does all the filtering, >>> my-relay is a legacy service that needs to stay in place due to several >>> necessary static mappings in the transport file that can not be entered >>> on the *master-relay*. >>> >>> There is only 1 SMTP admin for the *master-relay* (actually there are 3 >>> masters) and I want to do my part to fix any *send-only* hosts that use >>> *my-relay*. >>> >>> I do finally get the bounced messages but only after "too many hops". >> >> >> You can use a check_sener_access map with something like > > Duh, check_sender_access > > >> <> REDIRECT postmaster(a)localhost >> >> or whatever the local postmaster address is. >> >> Beware: This will catch all null-sender messages and has the potential >> to break other things. >> >> -- Noel Jones > Noel.. Much thanks.. I will report back.. Respectfully, Charles |