Add tests for `sipa.mail`
Add tests for `sipa.mail`

agdsn/sipa,agdsn/sipa,lukasjuhrich/sipa,lukasjuhrich/sipa,lukasjuhrich/sipa,MarauderXtreme/sipa,lukasjuhrich/sipa,agdsn/sipa,MarauderXtreme/sipa,MarauderXtreme/sipa,agdsn/sipa