twisted.mail.protocols.DomainDeliveryBase

Instance Variable	service	See `__init__`
Instance Variable	user	See `__init__`
Instance Variable	host	See `__init__`
Instance Variable	protocolName	The protocol being used to deliver the mail. Sub-classes should set this appropriately. (type: `bytes`)
Method	__init__
Method	receivedHeader	Generate a received header string for a message.
Method	validateTo	Validate the address for which a message is destined.
Method	validateFrom	Validate the address from which a message originates.

service =

See __init__

user =

See __init__

host =

See __init__

protocolName =

The protocol being used to deliver the mail. Sub-classes should set this appropriately. (type: bytes)

def __init__(self, service, user, host=smtp.DNSNAME):

Parameters	service	A mail service. (type: `MailService`)
	user	The authenticated SMTP user. (type: `bytes` or `None`)
	host	The hostname. (type: `bytes`)

def receivedHeader(self, helo, origin, recipients):

Generate a received header string for a message.

Parameters	helo	The client's identity as sent in the HELO command and its IP address. (type: 2-`tuple` of (`bytes`, `bytes`))
	origin	The origination address of the message. (type: `Address`)
	recipients	The destination addresses for the message. (type: `list` of `User`)
Returns	A received header string. (type: `bytes`)

def validateTo(self, user):

Validate the address for which a message is destined.

Parameters	user	The destination address. (type: `User`)
Returns	A deferred which successfully fires with a no-argument callable which returns a message receiver for the destination. (type: `Deferred` which successfully fires with no-argument callable which returns `IMessage` provider.)
Raises	SMTPBadRcpt	When messages cannot be accepted for the destination address.

def validateFrom(self, helo, origin):

Validate the address from which a message originates.

Parameters	helo	The client's identity as sent in the HELO command and its IP address. (type: 2-`tuple` of (`bytes`, `bytes`))
	origin	The origination address of the message. (type: `Address`)
Returns	The origination address. (type: `Address`)
Raises	SMTPBadSender	When messages cannot be accepted from the origination address.

twisted.mail.protocols.DomainDeliveryBase class documentation