src/Comely/IO/Mailer/Agents/SMTP.php
public function authCredentials(string $username, string $password): self
    {
        $this->username = $username;
        $this->password = $password;
        return $this;
    }
public function authCredentials(string $username, string $password): self
    {
        $this->username = $username;
        $this->password = $password;
        return $this;
    }
public function authCredentials ( string $ username , string $ password ) : self { $ this -> username = $ username ; $ this -> password = $ password ; return $ this ; }
Set auth. credentials for AUTH LOGIN

@param string $username
@param string $password
@return SMTP
Set auth . credentials for AUTH LOGIN