modification of UTF-7 encoding for IMAP
IMAP mailbox names are encoded in a modified UTF7 when names contains
international characters outside of the printable ASCII range.  The
modified UTF-7 encoding is defined in RFC2060 (section 5.1.3).

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: https://metacpan.org/release/Encode-IMAPUTF7
