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Old 20th November 2008, 03:15
tecstream tecstream is offline
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Question Postfix mutiple domain ucc ssl ?

Hello again,

I have an issue with ssl, tls mail using a self signed cert. I am considering using a godaddy or the like ucc multi-domain ssl certificate and am wondering if anyone else has gotten this up and working; has any advice, warnings, or other information that might help me and others in this situation.

I have 10-20 domains on single server Centos 5.2 Postfix, MailScanner, MailWatch, PostfixAdmin, setup.

So will this solve my problem of outlook, thunderbird, lotus notes clients getting a bad ssl issue ??

Would it solve the associated web pages and apps SSL issues ??

Is it possible to use this type of certificate on multiple server ex. backup mx server as well ??

Does anyone know where there is a howto on setting this up ??

Any ideas or help is appreciated.


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Old 8th October 2009, 10:26
Ben Ben is offline
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Why don't you just set up one cert that you use for ssl / tls for imap, pop3, smtp and let all users access this one domain.
Your mail client does not care for which domain the mailbox is used for. The only "problem" is, that the user e.g. owns domaina.com and has to access his mailserver via yourssldomain.com which might "look" ugly but it work's anyhow. So from my point of view this is more a cosmetic thing.
All other multidomaincerts run into the problem that this must be supported by the client and the server. I did not hear about the fact that you won't run into the same problems like you do when trying to have a multidomain cert for webserver use (e.g. tls alternate names, where the client needs to handle this feature as well, otherwise it won't trust your multidomain cert anyway).
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multi-domain, postfix, ssl, ucc

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