[Freeipa-users] Postfix IPA

[M.R Niranjan]

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On 07/03/2012 11:14 AM, freeipa at noboost.org wrote:
> Hi All,
> 
> Server:
> ipa-server-2.1.3-9.el6.x86_64
> sssd-1.5.1-66.el6_2.3
> 
> Client:
> ipa-client-2.1.3-9.el6.x86_64
> 
> 
> I've got Postfix working with IPA and to be honest it was actually very
> easy. I simply setup a standard postfix server, configured the IPA
> client and when mail was delivered, postfix detected the UID's from IPA
> and delivered the mail. 
> 
> So I thought to myself, this is one of the most important services we
> have. What would happen if the SSSD client failed for some reason on the
> postfix server?
> 

By sssd client failing do you mean sssd not able to reach ldap servers
or sssd service crashing ?

If sssd parent crashes then i think not much you could do but if the
child services of sssd doesn't respond sssd does restart the child
services automatically .

Refer: http://freeipa.org/page/Service_Controller_Daemon#Configuration_Store

> As expected the postfix server bounces the email back to it's sender. 
> -------------------------------------------------------------------------
> This is the mail system at host pan.example.com.
> 
> I'm sorry to have to inform you that your message could not
> be delivered to one or more recipients. It's attached below.
> 
> For further assistance, please send mail to postmaster.
> 
> If you do so, please include this problem report. You can
> delete your own text from the attached returned message.
> 
>                    The mail system
> 
> <craig at safevm-craig.example.com> (expanded from
>     <craig at example.com>): host
>     safevm-craig.example.com[192.168.0.28] said: 550 5.1.1
>     <craig at safevm-cht.example.com>: Recipient address rejected:
> User
>     unknown in local recipient table (in reply to RCPT TO command)
> -------------------------------------------------------------------------
> 
> Before I start investigating backup mail servers, different posfix
> queues. Just thought I'd ask if anyone else has setup their one solution 
> to ensure the safety of mail delivery with IPA? 
> 
> cya
> 
> Craig
> 
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> Freeipa-users at redhat.com
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> 
> 


- -- 
Regards
M.R.Niranjan
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