feat: add SMIME email settings
CE MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30644
The development of this MR is sponsored by siemens (/cc @bufferoverflow).
Edited by GitLab Release Tools Bot
CE MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30644
The development of this MR is sponsored by siemens (/cc @bufferoverflow).