I run Mailcast.io which you can use to forward email on your domains to your personal Gmail account without setting up any new email client

I run https://Mailcast.io which offers email forwarding and SMTP on your domain for a low fee for a single domain and a reasonable fee for more than that.

Have a look at Hey.com, they’ve brought some fresh ideas to managing email that I’m finding very effective.

The interface is really well thought-out, although it's a bit pricey

https://mailcast.io offers free email forwarding for one domain

I run Mailcast (https://mailcast.io) which will forward email on your domain to your Gmail account. We have domain aliasing to make it easy to add multiple domains with the same addresses, and you can configure sending on your domain as well.