Status Codes

The status_code returned by the Fraud Prevention API is a number ranging from 5-999. It will always be present in the response, and it describes the detailed validation results. The table below shows the list of all possible status codes, their description, and respective status.

Code	Status	Description
5	unknown	Timeout. Did not get a response in time.
10	unknown	The syntax is OK.
20	unknown	The syntax is OK, and the domain is valid.
45	unverifiable	The domain is a catch-all and does not support validation.
50	valid	Valid email address.
100	invalid	General syntax error.
110	invalid	Invalid character in address.
115	invalid	Invalid domain syntax.
120	invalid	Invalid username syntax.
125	invalid	Invalid username syntax for that domain.
130	invalid	The address is too long.
140	invalid	Address doesn’t have a username.
145	invalid	Address doesn’t have a domain.
150	invalid	Address doesn’t have an @ sign.
155	invalid	Address has more than one @ sign.
200	invalid	Invalid top-level domain (TLD) in address.
210	invalid	The address contains an extra space or character.
215	invalid	Unquoted spaces not allowed in email addresses.
310	invalid	Domain doesn’t exist.
325	invalid	Domain can’t receive email.
400	invalid	Mailbox doesn't exist.
410	invalid	The mailbox is full and can’t receive email.
420	invalid	Mail isn't accepted for this domain.
500	invalid	Emails with that username aren’t accepted.
505	invalid	Emails with that domain aren’t accepted.
510	invalid	That address isn’t accepted.
520	invalid	The address matched to known bouncers (optional feature).
525	risky	Address is a spamtrap, a known complainer or is suppressed.
530	risky	Address has opted out from commercial email.
999	unknown	System error.