| Element | Line | Description |
|---|---|---|
| \PHPMailer::encodeQPphp() | 2481 | Use encodeQP instead. |
| \PHPMailer::ReturnPath | 130 | Email senders should never set a return-path header; it's the receiver's job (RFC5321 section 4.4), so this no longer does anything. |
| \PHPMailer::PluginDir | 217 | Should not be needed now there is an autoloader. |
| Element | Line | Description |
|---|---|---|
| \SMTP::CRLF | 110 | Use the constant instead |
| \SMTP::Version | 94 | Use the constant instead |
| \SMTP::SMTP_PORT | 102 | This is only ever used as a default value, so use the constant instead |