Assertion: recipient's mail server | /r/CapableOf | refuse to accept the email message
Facets:
value: temporarily
type: MANNER
Source sentences:
text: A temporary failure, a failure where the target mail server returns an SMTP error code between 400 and 499 (or where the target mail server is down and not accepting connections), means that that mail server is temporarily refusing to accept the email message, but might accept it later.