| ⇢ | A | DevNullBackend added | |
| ⇢ | A | QueueBackend added | |
| ⇢ | A | UnknownUserBackend added | |
| ⇢ | A | AuthLoginCapability added | |
| ⇢ | A | DataCapability added | |
| ⇢ | A | EhloCapability added | |
| ⇢ | A | MailFromCapability added | |
| ⇢ | A | QuitCapability added | |
| ⇢ | A | RcptToCapability added | |
| ⇢ | A | ResetCapability added | |
| ⋮ | view more | ||
| ⇢ | B | DataCapability::manifest() added | |
| ⇢ | B | Server::start() added | |
| ⇢ | B | PlainTcpConnectionListener::listen() added | |
| ⇢ | B | EhloCapability::manifest() added | |
| ⇢ | A | PlainTcpConnectionListener::__construct() added | |
| ⇢ | A | Server::handleCommand() added | |
| ⇢ | A | PlainTcpConnectionListener::validateResource() added | |
| ⇢ | A | EhloCapability::__construct() added | |
| ⇢ | A | Session::withState() added | |
| ⇢ | A | Session::withCommand() added | |
| ⋮ | view more | ||