Sorry for the broken Thread, but my Registrar has not changed the Nameservers yet and I can not more get any messages...
---- From: Barry Margolin on Thu Apr 16 23:00:13 UTC 2009:
> That problem exists even if you don't go through an alias, e.g.
>
> foo.com. IN MX 10 foo.dyndns.org.
>
> Did you notice that his dynamic A record has a 60-second TTL? Unless he
> gets lots of mail, I think a one-minute window of vulnerability is
> reasonably safe. If he has a cable modem service, they typically change
> IPs very rarely. And the customer who gets your old IP would have to be
> running a mail server, and configure it to accept mail for your address,
> for this to cause mis-delivery.
Thisis why I have setup a TTL of 60 seconds. My IP changes all 24 hours.
> > If you can run your web services and mail services on *static* IPs that
> > would be preferred. Trying to run this kind of stuff on dynamic IPs is
> > always going to be an uphill battle. Maybe you relish the challenge;
> > most people just want their stuff to work.
Static IPs are typically more expensive than dynamic ones, and that
extra expense may not be justified for many people.
Note: Because a techical problem (not on my side) I can not get
currently I can not get my 100 MBit Backbone before 3 month and
since I have bougth a new CISCO for 78000 Euro, a 100 MBit
Ceragon wireless bridge for 13000 Euro, a Sun Enterprise T5240
for a realy nice price, I am now fsck'ed...
Thanks, Greetings and nice Day/Evening
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant
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