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June 2015

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Re: [Exim4U] What certificate filename should I choose for MY_IP var in MULTI_IP = YES setup in case of IPv6?
by Seidel, Michael 03 Jun '15

03 Jun '15

Hello Gordon, Hello List, Thank you very much for the hint about the DNS Lookup, I will set it up and test it and come back to you with some data. IMHO: pushing the problem because of few mail servers use it won't help :-) If nobody addresses IPv6 "problems" and quirks nobody going to use it, ever. Kind Regards, Michael Seidel System Administrator FAI rent-a-jet AG http://www.fai.ag >-----Ursprüngliche Nachricht----- >Von: users [mailto:users-bounces(a)exim4u.org] Im Auftrag von Gordon Dickens >Gesendet: Dienstag, 2. Juni 2015 23:17 >An: Exim4U General Discussion >Betreff: Re: [Exim4U] What certificate filename should I choose for MY_IP var in MULTI_IP = YES setup in case of IPv6? > >On 06/02/2015 10:34 AM, Seidel, Michael wrote: >> Hi List! >> >> Could somebody please clarify which filename I should choose for certificates in MULTI_IP = YES setup in case of IPv6? >> >> ⇒ /etc/pki/tls/exim_tls/exim.MY_IP.key >> >> What’s $MY_IP in the case of this example: >> >> 1) FE80:0000:0000:0000:0202:B3FF:FE1E:8329 >> 2) FE80::0202:B3FF:FE1E:8329 >> 3) FE80::202:B3FF:FE1E:8329 >> >> Is it always 1) because computer do not short it, EVER? >> /etc/pki/tls/exim_tls/exim.FE80:0000:0000:0000:0202:B3FF:FE1E:8329.key ? >> > >Hi Michael, > >The MULTI-IP capabilities were developed and tested for IPv4. That's not to say that it would not work for IPv6, however, I have not tested MULTI-IP with IPv6 and am not aware of anybody else who has >tested it. >So, to be honest, I am not certain that it works or not. Nevertheless, >IPv6 obviously needs to be addressed and sorted out since it is indeed the future for DNS. However, the reality is that, up to now, very few mail servers are using IPv6 so there has not been much of a need >yet to sort these issues out.> > >To give you a more direct answer to your question; the IP address that is used by Exim4U is the DNS lookup for the domain name. So, my first stab at answering your question would be to do a DNS lookup >for the domain with the "nslookup" or "dig" command and then try the same IPv6 syntax as the results. > >Gordon

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What certificate filename should I choose for MY_IP var in MULTI_IP = YES setup in case of IPv6?
by Seidel, Michael 03 Jun '15

03 Jun '15

Hi List! Could somebody please clarify which filename I should choose for certificates in MULTI_IP = YES setup in case of IPv6? ⇒ /etc/pki/tls/exim_tls/exim.MY_IP.key What’s $MY_IP in the case of this example: 1) FE80:0000:0000:0000:0202:B3FF:FE1E:8329 2) FE80::0202:B3FF:FE1E:8329 3) FE80::202:B3FF:FE1E:8329 Is it always 1) because computer do not short it, EVER? /etc/pki/tls/exim_tls/exim.FE80:0000:0000:0000:0202:B3FF:FE1E:8329.key ? Kind Regards, Michael Seidel System Administrator FAI rent-a-jet AG http://www.fai.ag

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