On Mon, Jan 13, 2014 at 05:16:00PM +, Viktor Dukhovni wrote:
> The more mathematically astute among you might guess that "0.63"
> is close to the limiting ratio, and that the limit is the ever
> common "1 - 1/e". So the least frequent host is used at least 63%
> as often as the most frequent.
Wietse Venema:
> Tobias Gro?:
> > Besides the lack of randomization in the mail client, there is
> > another question: Should the mail client implement support for
> > multiple MX or implicit MX (A when no MX is given) records when
> > sending all traffic to smarthosts which are loadbalanced by DNS
Tobias Gro?:
> Besides the lack of randomization in the mail client, there is
> another question: Should the mail client implement support for
> multiple MX or implicit MX (A when no MX is given) records when
> sending all traffic to smarthosts which are loadbalanced by DNS
> regarding to the rfc 5
Viktor Dukhovni schrieb:
>On Mon, Jan 13, 2014 at 03:18:12PM +0100, Peer Heinlein wrote:
>
>> > We want to load balance mails from the intranet to the
>> > postfix-relayserver-farm for outgoing traffic.
>> > Can we abuse A-records to load-balance in the same way MX-records
>> > have been desig
On Mon, Jan 13, 2014 at 03:18:12PM +0100, Peer Heinlein wrote:
> > We want to load balance mails from the intranet to the
> > postfix-relayserver-farm for outgoing traffic.
> > Can we abuse A-records to load-balance in the same way MX-records
> > have been designed?
>
> No, because in that case M
Am 13.01.2014 15:55, schrieb Bauer, Stefan (IZLBW Extern):
> Hi List,
>
> thank you for confirming my opinions about DNS for load balancing. I share
> your opinions.
>
> @Peer - your advice is to use MX records. I don't think, MX-records can be
> used for relayservers.
>
> Our flow is:
>
>
DNS is not meant for that. At least, not the DNS itself. It is
something that goes under another tool, called GSLB (Global Site Load
Balancer). It will add/remove DNS records based on test availability.
It is something that is widely used on the Internet.
--
Christian Tardif
Quoting "Bau
Stefan,
* Bauer, Stefan (IZLBW Extern) :
> We want to load balance mails from the intranet to the
> postfix-relayserver-farm for outgoing traffic.
> Can we abuse A-records to load-balance in the same way MX-records have been
> designed?
>
>
> A relay.example.com 192.168.0.1
>
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Am 13.01.2014 14:23, schrieb Bauer, Stefan (IZLBW Extern):
Hi Stefan,
> We want to load balance mails from the intranet to the
postfix-relayserver-farm for outgoing traffic.
> Can we abuse A-records to load-balance in the same way MX-records
have been
Wietse Venema:
> Bauer, Stefan (IZLBW Extern):
> > Dear Developers/Users,
> >
> > We want to load balance mails from the intranet to the
> > postfix-relayserver-farm for outgoing traffic. Can we abuse
> > A-records to load-balance in the same way MX-records have been
> > designed?
>
> Yes, if th
Bauer, Stefan (IZLBW Extern):
> Dear Developers/Users,
>
> We want to load balance mails from the intranet to the
> postfix-relayserver-farm for outgoing traffic. Can we abuse
> A-records to load-balance in the same way MX-records have been
> designed?
Yes, if the sender is Postfix. Postfix will
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