Sendmail still default?

[Mail Lists]

On 10/19/2008 02:04 PM, Les Mikesell wrote:

> One of my choices of tests on an inbound relay machine has been to check
> that the user exists using an smtp check against the internal delivery
> host.  How would I do that on an MTA that does not handle milters?
> 
  Not taking sides on milters or not but ..

  This can be achieved in sendmail (et al) with virtusertable. Doesnt
use an smtp check from border to inside as you stated, and it does need
a virtusertable on the border relay.