Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-13 Thread Victor Duchovni
On Sat, Sep 11, 2010 at 01:01:19PM +0800, Richard Chapman wrote: Thanks to everyone who has helped with this. There are several of you nd your help is much appreciated. My recent posting on the trust issue with the google certificates is not sorted - but is a red herring as far as this

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-13 Thread Richard Chapman
Hi Victor On 13/09/2010 10:02 PM, Victor Duchovni wrote: On Sat, Sep 11, 2010 at 01:01:19PM +0800, Richard Chapman wrote: Thanks to everyone who has helped with this. There are several of you nd your help is much appreciated. My recent posting on the trust issue with the google

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-13 Thread Victor Duchovni
On Mon, Sep 13, 2010 at 11:54:36PM +0800, Richard Chapman wrote: relayhost = smtp.gmail.com:submission That should probably be: relayhost = [smtp.gmail.com]:submission I don't think that smtp.gmail.com is intended to be an MX RRset. I'm afraid I don't understand the distinction

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-13 Thread Richard Chapman
Many thanks Victor. I am learning all the time...:-) Richard. On 14/09/2010 12:35 AM, Victor Duchovni wrote: On Mon, Sep 13, 2010 at 11:54:36PM +0800, Richard Chapman wrote: relayhost = smtp.gmail.com:submission That should probably be: relayhost = [smtp.gmail.com]:submission I

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-10 Thread Richard Chapman
OK. I'm making some progress here: After attempting a sasl/tls connection to smtp.gmail.com I get the following in the logs: Sep 10 17:12:32 C5 postfix/postfix-script: starting the Postfix mail system Sep 10 17:12:32 C5 postfix/master[20209]: daemon started -- version 2.3.3, configuration

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-10 Thread Patrick Ben Koetter
* Richard Chapman rich...@aardvark.com.au: OK. I'm making some progress here: After attempting a sasl/tls connection to smtp.gmail.com I get the following in the logs: Sep 10 17:12:32 C5 postfix/postfix-script: starting the Postfix mail system Sep 10 17:12:32 C5 postfix/master[20209]:

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-10 Thread Richard Chapman
Thanks to everyone who has helped with this. There are several of you nd your help is much appreciated. My recent posting on the trust issue with the google certificates is not sorted - but is a red herring as far as this issue is concerned. I think I have it sorted - or at least working so

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-09 Thread Victor Duchovni
On Thu, Sep 09, 2010 at 10:38:12AM +0800, Richard Chapman wrote: Here is the relevant part of my main.cf, but the system is not delivering mail to google.: Always post postconf -n output. smtp_tls_security_level = may smtp_sender_dependent_authentication = yes #

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-08 Thread Mikael Bak
Richard Chapman wrote: Perhaps you are describing an alternative method for google apps smtp which I am unaware of. If so - can you point me to a description of this alternative option? I fail to see why you need postfix if your domain is hosted on Google Apps. Google Apps provide you with

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-08 Thread Victor Duchovni
On Wed, Sep 08, 2010 at 11:12:45AM +0800, Richard Chapman wrote: AFAIK smtp.google.com requires an authenticated TLS connection. If you have a Google Apps hosted domain, you use fixed MTA credentials, (possibly just an IP whitelist) negotiated with Google and send to alternate servers (not

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-07 Thread Victor Duchovni
On Tue, Sep 07, 2010 at 12:53:13PM +0800, Richard Chapman wrote: I am running postfix 2.3.3 as part of Centos 5.5. I am trying to set up a hybrid mail system which involves postfix, dovecot and Google Apps. Ideally - I would like the email clients to use a authenticated TLS connection to

Re: Can postfix work with a TLS, authenticated smtp relay server?

2010-09-07 Thread Richard Chapman
Thanks for your incredibly useful advice Victor... May I ask some follow up questions?.. On 7/09/2010 10:06 PM, Victor Duchovni wrote: On Tue, Sep 07, 2010 at 12:53:13PM +0800, Richard Chapman wrote: I am running postfix 2.3.3 as part of Centos 5.5. I am trying to set up a hybrid mail

Can postfix work with a TLS, authenticated smtp relay server?

2010-09-06 Thread Richard Chapman
I am running postfix 2.3.3 as part of Centos 5.5. I am trying to set up a hybrid mail system which involves postfix, dovecot and Google Apps. Ideally - I would like the email clients to use a authenticated TLS connection to postifix (which is working fine) and then postfix to relay the mail