On 06/01/2010 10:00 AM, Victor Duchovni wrote:
> On Tue, Jun 01, 2010 at 10:20:56AM -0400, Wietse Venema wrote:
> 
>>> Common Name: myserver.domain.com
>>> MX for domain1: smtp.domain1.com
>>> MX for domain2: smtp.domain2.com
>>>
>>> Then, how i configure SSL Certificates per domain on Postfix?
>>> References?
>>
>> How would Postfix know what certificate to use?
>> Hint: SMTP is not HTTP.
> 
> Now that OpenSSL 1.0 is out, and has "always on" support for TLSv1
> extensions, I may find some time to add SNI support to Postfix. This
> creates significant additional complexity in the SMTP server SSL
> state management, and with most users on 0.9.8 or even 0.9.7, it
> has not yet been a priority.
> 
> Even with SNI support, most SMTP clients will not make use of SNI, so
> it will take a long time before SMTP STARTTLS servers can expect to
> support multiple certificates for most clients.
> 

Could this be a case where it makes sense to run multiple instances of postfix 
which bind to different IP's and are each
configured with unique certs?


kind regards,

_Terry

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