#VERIFY EMAIL ADDRESSES IN BULK VERIFICATION#

mailbox_not_found - (invalid) These emails addresses are valid in syntax, but do not exist.mailbox_quota_exceeded - (invalid) These emails exceeded their space quota and are not accepting emails.Most of the time, these emails will end up being invalid. mail_server_temporary_error - (unknown) These emails belong to a mail server that is returning a temporary error.mail_server_did_not_respond - (unknown) These emails belong to a mail server that is not responding to mail commands.leading_period_removed - (valid) If a valid email address starts with a period '.' we will remove it, so the email address is compatible with all mailing systems.A lot of times if you resubmit these emails they will validate on a second pass. greylisted - (Unknown) Emails where we are temporarily unable to validate them.global_suppression - (do_not_mail) These emails are found in many popular global suppression lists (GSL), they consist of known ISP complainers, direct complainers, purchased addresses, domains that don't send mail, and known litigators.forcible_disconnect - (Unknown) These emails belong to a mail server that disconnects immediately upon connecting.failed_syntax_check - (Invalid) Emails that fail RFC syntax protocols.failed_smtp_connection - (unknown) These emails belong to a mail server that won't allow an SMTP connection.If this happens repeatedly, please let us know. exception_occurred - (unknown) These emails caused an exception when validating.

does_not_accept_mail - (invalid) These domains only send mail and don't accept it.

You can submit these to us through the contact us screen to look into.

antispam_system - (unknown) These emails have anti-spam systems deployed that are preventing us from validating these emails.

We can sometimes detect alias email addresses and when we do we let you know.

alias_address - (valid) These emails addresses act as forwarders/aliases and are not real inboxes, for example if you send an email to and then the email is forwarded to It's a valid email address and you can send to them, it's just a little more information about the email address.

An anti-spam system might be blocking the access. Domain is valid, receiving mail server exists, but we did not get the response in time.

DONOTMAIL - either a group email (SUB-STATUS = role_based) or a possible trap.

ABUSE - high risk emails, where recipient clicks the 'Spam' link often.

If a spam trap receives an email, it will consider it as spam because that email address never opted in to receive emails.

SPAMTRAP - An email address not used by a person, but actively monitored.In other cases, mail operators collect all emails sent in valid invalid accounts (e.g., to the mail administrator will forward that email to a 'catch-all' address, like to review at all the emails sent to their mail server to see if anything important was sent to an invalid recipient. They do this to prevent people from harvesting real email addresses from their mail server. CATCH-ALL - Some corporate email servers, will always return a VALID response, whether the email address is actually valid or invalid.INVALID - Mail Server will reject email or Email account does not exist or No mail server for the domain or Domain is not valid or Email format is incorrect.VALID - Email Address will be accepted by the receiving mail server for delivery.

#VERIFY EMAIL ADDRESSES IN BULK VERIFICATION#

Using Real-time verification in carrier billing systems And other advanced proprietary methods the following statuses are reported What Information Will be Included in Verification?

Verify email addresses in bulk