While I share your ECC preference, for today I see no reason to refuse free, reasonably secure LE support by default. ECDSA signing with LE's RSA intermediates

While I share your ECC preference, for today I see no reason to refuse free, reasonably secure LE support by default. ECDSA signing with LE's RSA intermediates is supported from Feb 2016, and full ECDSA cert chain will be added on July 2018[1]. [1] https://letsencrypt.org/upcoming-features/ https://letsencrypt.org/upcoming-features/