smtp smtpmail sasl
md5 md5-el md5-dl
sha1 sha1-el sha1-dl
- hmac-def hmac-util hmac-md5 hmac-sha1))
+ hmac-def hmac-md5 hmac-sha1 hex-util
+ scram-md5 digest-md5 unique-id
+ starttls))
(unless (and (fboundp 'base64-encode-string)
(subrp (symbol-function 'base64-encode-string)))