Hi there,
when a user clicks "send", the email client has to make some
tcp-connection to some ip address.
what if the hostname configured at the email client resolves to multiple
ip addresses?
i actually know the theory (either round-robin, or just the first, or
try first and if fail then tr
I would hazard a guess that the client connects to the first IP from the
RRset his cashing DNS resolver gives him (since mail clients AFAIK do
not have in-built DNS resolver functionality. How is the resource record
set ordered depends on setting on the server, usually (though the DNS
client co
Max-Julian Pogner:
> Hi there,
>
> when a user clicks "send", the email client has to make some
> tcp-connection to some ip address.
> what if the hostname configured at the email client resolves to multiple
> ip addresses?
It just seems unlikely that major email service providers would run
all
On Mon, Sep 13, 2021 at 07:58:26AM -0400, Wietse Venema wrote:
> > When a user clicks "send", the email client has to make some
> > tcp-connection to some ip address. What if the hostname configured
> > at the email client resolves to multiple ip addresses?
>
> It just seems unlikely that major
On Mon, Sep 13, 2021 at 11:07:27AM +0200, Max-Julian Pogner
wrote:
> Hi there,
>
> when a user clicks "send", the email client has to make some tcp-connection
> to some ip address.
> what if the hostname configured at the email client resolves to multiple ip
> addresses?
>
> i actually know th
On Tue, Sep 14, 2021 at 01:20:03PM +1000, raf wrote:
> On Mon, Sep 13, 2021 at 11:07:27AM +0200, Max-Julian Pogner
> wrote:
>
> > Hi there,
> >
> > when a user clicks "send", the email client has to make some tcp-connection
> > to some ip address.
> > what if the hostname configured at the em
