These days mail clients like Thunderbird warn you for large attachments, and prompt you to use some other solution. Even better: using the built in XMPP-client

These days mail clients like Thunderbird warn you for large attachments, and prompt you to use some other solution. Even better: using the built in XMPP-client they could easily send you infinitely sized files at you@yourdomain.com - if only you would run an XMPP server on your domain