ssmtp is no longer required for the Bazel release process. Removing from images. (#710)
ssmtp is no longer required for the Bazel release process. Removing from images. (#710)


bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration