aaaa111122223333444455556666777788889999李雷 <lilei@example.com>2026-04-10T10:00:00-04:00添加中文支持
修复 CJK 字符宽度。 bbbb111122223333444455556666777788889999Mallory <mallory@evil.example>2026-04-10T11:00:00-04:00test[31mred[0m
payload[1;32mbold-green[0m end cccc111122223333444455556666777788889999Dan <dan@example.com>2026-04-10T11:30:00-04:00tabs-in-body
col1	col2	col3 dddd111122223333444455556666777788889999Erin <erin@example.com>2026-04-10T11:45:00-04:00sub	with	tabs
body with just one line 