Found the url above in the wayback machine as a redirect from the one listed in gentoo. https://web.archive.org/web/20130613165257/http://www.megaloman.com/~hany/software/pinepgp/
fix PR in https://github.com/gentoo/gentoo/pull/3249 or patch at https://github.com/gentoo/gentoo/pull/3249.patch
commit 7b86dced1c809d36fc6fb223f87025ad03230d22 (HEAD -> master, origin/master, origin/HEAD) Author: Wim Muskee <wimmuskee@gmail.com> AuthorDate: Tue Dec 27 08:22:42 2016 +0100 Commit: Patrice Clement <monsieurp@gentoo.org> CommitDate: Wed Dec 28 14:27:24 2016 +0100 mail-client/pinepgp: update SRC_URI and HOMEPAGE. Gentoo-Bug: https://bugs.gentoo.org/601922 Closes: https://github.com/gentoo/gentoo/pull/3249 mail-client/pinepgp/pinepgp-0.18.0-r1.ebuild | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)