These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libesmtp-1.1.0-r2:0/8::gentoo  USE="ssl threads -static-libs" 166 KiB

Total: 1 package (1 new), Size of downloads: 166 KiB