I am trying to understand why GPG would depend on ssmtp. I don't want
ssmtp on my system. Can I unmerge it after emerging gpg?

# emerge -p gnupg

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild N ] net-mail/ssmtp-2.48
[ebuild U ] app-crypt/gnupg-1.2.3-r3 [1.2.3-r2]

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