My domain registrar, gandi, provides 2 free e-mail addresses per domain, and unlimited forwarding accounts.
While your domain may be hosted on AWS (using aws nameservers), you can update the dns configuration to point to gandi's mail servers.
This is managed in your aws console under Route53, Hosted Zones, under 'yourdomain'. Then create dns record sets as follows:
Type | Alias | TTL | Value | Routing Policy |
---|---|---|---|---|
MX | No | 10800 | 10 spool.mail.gandi.net. | Simple |
MX | No | 10800 | 50 fb.mail.gandi.net. | Simple |
TXT | No | 10800 | "v=spf1 include:_mailcust.gandi.net ?all" | Simple |
..or something like this in your console: