Issue #3397420: Capture mails sent through the mailer transport service during tests

added 2 commits

• f2109b99 - Fix spelling
• 9bfda827 - Add return types

Compare with previous version

added 1 commit

• 5ceb7e5b - Add return types

Compare with previous version

Tugboat has finished building the preview for this merge request!

Link:

• https://mr12115-wdxkazfsrtcbtsfcghggyeplsyavmkhn.tugboatqa.com

Dashboard:

• https://dashboard.tugboatqa.com/68242ebac3662994f83a985a