On 1 Jul 2020, at 19:37, Peter wrote:
On 1/07/20 11:20 am, Bill Cole wrote:
Can't you just fix the DNS? Use a HELO name that resolves to both IPs
and give both IPs PTR records that point back to the name you use.
This won't work for FCRDNS properly.
That is implementation-dependent. Smart v
On 1/07/20 11:20 am, Bill Cole wrote:
Can't you just fix the DNS? Use a HELO name that resolves to both
IPs and give both IPs PTR records that point back to the name you
use.
On 02.07.20 11:37, Peter wrote:
This won't work for FCRDNS properly. What happens is the lookup on
the A record will
On 1/07/20 11:20 am, Bill Cole wrote:
Can't you just fix the DNS? Use a HELO name that resolves to both IPs
and give both IPs PTR records that point back to the name you use.
This won't work for FCRDNS properly. What happens is the lookup on the
A record will randomly return either one or the
easier than that. use linux heartbeat on the two postfix service. the
failover happens within seconds. use the unison file system to keep the
spool folders and other necessary folders needed to pick up on the
failover machine and when the primary fails, whatever services that need
to be runni
On 7/1/20 9:02 PM, Bill Cole wrote:
On 1 Jul 2020, at 12:29, Istvan Prosinger wrote:
Fix the DNS? All reverse DNS should have an A record pointed back in the DNS
zone. This would be a real mess
It is quite common for one name to have multiple A (and/or ) records and for more than one
On 1 Jul 2020, at 12:29, Istvan Prosinger wrote:
Fix the DNS? All reverse DNS should have an A record pointed back in
the DNS zone. This would be a real mess
It is quite common for one name to have multiple A (and/or ) records
and for more than one PTR record to point to the same name. Th
Istvan Prosinger:
> > Assuming that Postfix runs on the firewall, otherwise you will need
> > to add telepathic vision to Postfix and also set smtp_proxy_address
> > to avoid "mail loops back to myself" errors.
> >
> > host1_mynetworks =
> > output from "postconf mynetworks" with external
On 7/1/20 12:40 AM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 10:34 PM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 9:49 PM, Wietse Venema wrote:
Istvan Prosinger:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main rou
On 7/1/20 1:20 AM, Bill Cole wrote:
On 30 Jun 2020, at 15:40, Istvan Prosinger wrote:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main router.
I wanted to "get by cheaply" by just doing something like
iptbales -t nat -I POSTROUTING -p
On 6/30/20 6:40 PM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 10:34 PM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 9:49 PM, Wietse Venema wrote:
Istvan Prosinger:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main route
It's part of the config in main.cf You can specify "myhostname"
myhostname = host.domain.tld
Cheers, Curtis
On 6/30/20 4:55 PM, Istvan Prosinger wrote:
On 6/30/20 10:34 PM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 9:49 PM, Wietse Venema wrote:
Istvan Prosinger:
Hi, I hope this
On 30 Jun 2020, at 15:40, Istvan Prosinger wrote:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main
router.
I wanted to "get by cheaply" by just doing something like
iptbales -t nat -I POSTROUTING -p tcp --dport 25 -j DNAT --to ip>
on
Istvan Prosinger:
>
>
> On 6/30/20 10:34 PM, Wietse Venema wrote:
> > Istvan Prosinger:
> >>
> >> On 6/30/20 9:49 PM, Wietse Venema wrote:
> >>> Istvan Prosinger:
> Hi, I hope this letter finds you well,
>
> I have Postfix behind NAT, and added one failover IP to the main router.
>
On 6/30/20 10:34 PM, Wietse Venema wrote:
Istvan Prosinger:
On 6/30/20 9:49 PM, Wietse Venema wrote:
Istvan Prosinger:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main router.
I wanted to "get by cheaply" by just doing something like
Istvan Prosinger:
>
> On 6/30/20 9:49 PM, Wietse Venema wrote:
> > Istvan Prosinger:
> >> Hi, I hope this letter finds you well,
> >>
> >> I have Postfix behind NAT, and added one failover IP to the main router.
> >>
> >> I wanted to "get by cheaply" by just doing something like
> >>
> >> iptbales
On 6/30/20 9:49 PM, Wietse Venema wrote:
Istvan Prosinger:
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main router.
I wanted to "get by cheaply" by just doing something like
iptbales -t nat -I POSTROUTING -p tcp --dport 25 -j DNAT --to
Istvan Prosinger:
> Hi, I hope this letter finds you well,
>
> I have Postfix behind NAT, and added one failover IP to the main router.
>
> I wanted to "get by cheaply" by just doing something like
>
> iptbales -t nat -I POSTROUTING -p tcp --dport 25 -j DNAT --to
>
> on the firewall machine.
>
Hi, I hope this letter finds you well,
I have Postfix behind NAT, and added one failover IP to the main router.
I wanted to "get by cheaply" by just doing something like
iptbales -t nat -I POSTROUTING -p tcp --dport 25 -j DNAT --to
on the firewall machine.
So, all well, the only problem is t
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