Yes, you can do it on a VPS much cheaper.
But this is your outgoing email authorized by DKIM... an attacker can use it to take over most of your accounts via Forgot Password flow. I think it is a false economy to have that depend on a shared VM.
But this is your outgoing email authorized by DKIM... an attacker can use it to take over most of your accounts via Forgot Password flow. I think it is a false economy to have that depend on a shared VM.