Install this version:
emerge -a =dev-perl/Net-IMAP-Simple-SSL-1.300.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-perl/Net-IMAP-Simple-SSL-1.300.0
Or alternatively:
emerge --autounmask-write -a =dev-perl/Net-IMAP-Simple-SSL-1.300.0
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DIST_AUTHOR=CWEST
DIST_VERSION=1.3
inherit perl-module
DESCRIPTION="SSL support for Net::IMAP::Simple"
SLOT="0"
KEYWORDS="~amd64 ~x86"
RDEPEND="dev-perl/IO-Socket-SSL
dev-perl/Net-IMAP-Simple"
BDEPEND="${RDEPEND}
"
dev-perl/IO-Socket-SSL dev-perl/Net-IMAP-Simple
dev-perl/IO-Socket-SSL dev-perl/Net-IMAP-Simple