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

Calculating dependencies ... done!
Dependency resolution took 1.66 s (backtrack: 1/20).

[ebuild  N     ] dev-lang/go-bootstrap-1.24.6::gentoo  USE="(-big-endian)" 71370 KiB
[ebuild  N     ] dev-lang/go-1.27.2:0/1.27.2::gentoo  CPU_FLAGS_X86="sse2" 34312 KiB
[ebuild  N     ] acct-group/smtpq-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-group/smtpd-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/smtpd-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/smtpq-0-r3::gentoo  0 KiB
[ebuild  N     ] mail-mta/opensmtpd-7.9.0_p0::gentoo  USE="mta pam (split-usr) -berkdb -verify-sig" 959 KiB
[uninstall     ] mail-mta/nullmailer-2.2-r2::gentoo  USE="ssl -test" 
[blocks b      ] mail-mta/nullmailer ("mail-mta/nullmailer" is soft blocking mail-mta/opensmtpd-7.9.0_p0)
[blocks b      ] mail-mta/opensmtpd[mta(+)] ("mail-mta/opensmtpd[mta(+)]" is soft blocking mail-mta/nullmailer-2.2-r2)
[ebuild  N     ] mail-filter/opensmtpd-filter-rspamd-0.1.8::gentoo  417 KiB

Total: 8 packages (8 new, 1 uninstall), Size of downloads: 107056 KiB
Conflict: 2 blocks (all satisfied)