What do the numerical email error codes mean? Given below are the explanations for the numerical email error codes:
-1 : Missing Email Address: The destination address field is empty.
-4 : No Server. The SMTP Server is unavailable.Try using the IP Devices feature in the web interface to ping the SMTP server.
Reasons for this error include: - Spelling errors in the server name or IP.
- Server name is not resolved by DNS server because DNS server is off or not reachable.
- Incorrect configuration of Gateway.
- Connection blocked by firewall.
-5 : No mailbox: The destination address is not recognized by the SMTP server. Not a valid email address.
-6 : TCP error: This usually comes in conjunction with error -4 and has the same causes.
-8 : Syntax error.
-13 : General error: This usually is an incorrect sender email address on the Enterprise settings page in the web interface. Also can be caused by account restrictions in the mail server.
-89 : SMTP_SSL_BAD_DATA_ERR
-90 : SMTP_SSL_DATA_ERR
-91 : SMTP_SSL_BAD_FROM_ERR
-92 : SMTP_SSL_BAD_TO_ERR
-93 : SMTP_SSL_BAD_FROM_ERR
-94 : SMTP_SSL_AUTH_FAILURE_ERR
-95 : SMTP_SSL_AUTH_NO_SUPPORT_ERR
-96 : SMTP_SSL_EHLO_ERR
-97 : SMTP_SSL_SERVER_NOT_READY_ERR
-98 : SMTP_SSL_CONN_SEND_ERR
-99 : SMTP_SSL_PROTOCOL_ERR
-100 : SMTP_SSL_CONN_ERR=-100
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