Proxmox relay domain to multiple host

[TT5776]

Hello

For this exemple :

mail.exemple.com local ip : 192.168.20.100
mail2.exemple.com local ip : 192.168.20.101

mail.exemple.com and mail2.exemple.com are a cluster

Actually in my DNS i've :
exemple.com IN MX 30 mail.exemple.com
exemple.com IN MX 10 mail2.exemple.com

mail.exemple.com IN A PUBLICIP1
mail2.exemple.com IN A PUBLICIP2

Actually i dont want Proxmox use public IP to send email to my domain exemple.com
Can i set a relay for exemple.com using 192.168.20.100 and 192.168.20.101 ( if the first one crash ? )

Thanks

 

[dietmar]

Yes, just define a "Transport" for those two domains (Configuration/MailProxy/Transports).

 

[TT5776]

Hi,
I'm sorry but it's not two domain, i only have one, i've two Lotus Domino in cluster for the same domain.
Cant i set in "host" something like : 192.168.20.100;192.168.20.101 ?

Thanks.

 

[Sommer]

You can use smtp_fallback_relay postfix parameter.
For example, if 1 is down, it will send to 2; 2 down, send to 3.

relay_transport = smtp:[10.10.10.1]:25
smtp_fallback_relay = [10.10.10.2]:25, [10.10.10.3]:25