-* low-memory Email::MIME replacement: currently we generate many
- allocations/strings for headers we never look at and slurp
- entire message bodies into memory. GMime+Inline::C could work.
+* Further lower mail parser memory usage. We still slurp entire
+ message bodies into memory and incur 2-3x overhead on
+ multipart messages. Inline::C (and maybe gmime) could work.