twisted.mail.smtp.SMTPConnectError : API documentation

Failed to connect to the mail exchange host.

This is considered a fatal error. A retry will be made.

def __init__(self, code, resp, log=None, addresses=None, isFatal=True, retry=True): (source)

Parameters	code	The SMTP response code associated with this error.
	resp	The string response associated with this error.
	log	A string log of the exchange leading up to and including the error. (type: `str`)
	isFatal	A boolean indicating whether this connection can proceed or not. If True, the connection will be dropped.
	retry	A boolean indicating whether the delivery should be retried. If True and the factory indicates further retries are desirable, they will be attempted, otherwise the delivery will be failed.

twisted.mail.smtp.SMTPConnectError(SMTPClientError) class documentation