That's why you always set up a local mail server that delivers onwards to these services. I documented how to do that with Haraka here: https://baudehlo.com/201

That's why you always set up a local mail server that delivers onwards to these services. I documented how to do that with Haraka here: https://baudehlo.com/2016/07/26/setting-up-haraka-to-send-to-mailchimpsendgridses-etc/ https://baudehlo.com/2016/07/26/setting-up-haraka-to-send-to...