Re: You must trust our third party's third party
> this can work for direct delivery between SMTP servers which both you "trust".
If you can establish that trust without having to pull in a third party at all, then so much the better!
Unfortunately the number of 'potentially trustable' servers continues to fall while fewer and fewer people think they are capable of running one after being hypnotised by the shiny apps and plumping for something in the cloud.