### app/lib/PHPMailer.inc 1

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.

### app/lib/SMTP.inc 1

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