| ⇢ | A | CapitalizeTheSubjectLineStatus added | |
| ⇢ | A | DoNotEndTheSubjectLineWithAPeriodStatus added | |
| ⇢ | A | LimitTheBodyWrapLengthTo72CharactersStatus added | |
| ⇢ | A | LimitTheTitleLengthTo69CharactersStatus added | |
| ⇢ | A | PreviousFailureStatus added | |
| ⇢ | A | SeparateSubjectFromBodyWithABlankLineStatus added | |
| ⇢ | A | SoftLimitTheTitleLengthTo50CharactersStatus added | |
| ⇢ | A | SuccessStatus added | |
| ⇢ | A | StatusSendServiceImplementation added | |
| ⇢ | A | ValidationServiceImplementation added | |
| ⋮ | view more | ||
| A | ↛ | CapitalizeTheSubjectLineStatus removed | |
| A | ↛ | DoNotEndTheSubjectLineWithAPeriodStatus removed | |
| A | ↛ | LimitTheBodyWrapLengthTo72CharactersStatus removed | |
| A | ↛ | LimitTheTitleLengthTo69CharactersStatus removed | |
| A | ↛ | PreviousFailureStatus removed | |
| A | ↛ | SeperateSubjectFromBodyWithABlankLineStatus removed | |
| A | ↛ | SoftLimitTheTitleLengthTo50CharactersStatus removed | |
| A | ↛ | SuccessStatus removed | |
| A | ↛ | StatusSendServiceImplementation removed | |
| A | ↛ | ValidationServiceImplementation removed | |
| ⋮ | view more | ||