Sendmail smarthost

[Pierre Samson]

Can I have two smarthost def and if the first one is down it will send thru the second one. If yes how do you set a timeout

[Balaji N]

hi
not very sure. but you can use a work around.

create a dummy ip and configure it as the smart host. and then create a monitor script which will activiate this dummy ip as a virtual ip address on the active server. if this server goes down, the ip will get activated on the second server. actually this is how HA clusters work. actually, you can think of hosting the relay service on a HA cluster, if it is critical.

hth
-balaji

[U.SivaKumar_2 · Accepted solution]

Hi,

Dual smarthost will not work, use this option in /etc/sendmail.cf

O FallbackMXhost=smart2.mydomain.com

Restart sendmail

regards,
U.SivaKumar