source_address=None):
"""Initialize a new instance.
- If specified, `host' is the name of the remote host to which to
- connect. If specified, `port' specifies the port to which to connect.
+ If specified, `host` is the name of the remote host to which to
+ connect. If specified, `port` specifies the port to which to connect.
By default, smtplib.SMTP_PORT is used. If a host is specified the
connect method is called, and if it returns anything other than a
success code an SMTPConnectError is raised. If specified,