Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| None |
0 |
Does not exist. |
| GeneralError |
1 |
Exception. |
| SystemError |
2 |
Win32 exception. |
| NetworkingError |
3 |
Socket exception. |
| SmtpServerException |
4 |
SmtpServer exception. |
| SmtpTerminatedException |
5 |
SmtpTerminated exception. |
| TimeoutException |
6 |
Timeout exception. |
| Smtp1xx_ReplyCode |
10 |
1xx reply code not listed. |
| Smtp2xx_ReplyCode |
20 |
2xx reply code not listed. |
| Smtp3xx_ReplyCode |
30 |
3xx reply code not listed. |
| Smtp4xx_ReplyCode |
40 |
4xx reply code not listed. |
| Smtp5xx_ReplyCode |
50 |
5xx reply code not listed. |
| Smtp211_GeneralFailure |
211 |
211 System status. |
| Smtp214_HelpMessage |
214 |
214 Help message. |
| Smtp421_ServiceUnavailable |
421 |
421 <domain> Service not available, closing transmission channel. |
| Smtp450_MailboxUnavailable |
450 |
450 Requested mail action not taken: mailbox unavailable. |
| Smtp451_TemporaryError |
451 |
451 Requested action aborted: local error in processing. |
| Smtp452_InsufficientSystemStorage |
452 |
452 Requested action not taken: insufficient system storage. |
| Smtp454_ClientNotPermitted |
454 |
454 ClientNotPermitted. |
| Smtp500_CommandUnrecognised |
500 |
500 Syntax error, command unrecognised. |
| Smtp501_SyntaxError |
501 |
501 Syntax error in parameters or arguments. |
| Smtp502_CommandNotImplemented |
502 |
502 Command not implemented. |
| Smtp503_BadCommandSequence |
503 |
503 Bad sequence of commands. |
| Smtp504_CommandParameterNotImplemented |
504 |
504 Command parameter not implemented. |
| Smtp510_BadEmailAddress |
510 |
510 Bad email address. |
| Smtp512_DnsError |
512 |
512 DNS error: host server not found. |
| Smtp521_DoesNotAcceptMail |
521 |
521 <domain> does not accept mail. |
| Smtp530_MustIssueStartTlsFirst |
530 |
530 Access denied. |
| Smtp550_UserUnknown |
550 |
550 Requested action not taken: mailbox unavailable. |
| Smtp551_UserNotLocalTryAlternatePath |
551 |
551 User not local; please try <forward-path>. |
| Smtp552_ExceededStorageAllocation |
552 |
552 Requested mail action aborted: exceeded storage allocation. |
| Smtp553_MailboxNameNotAllowed |
553 |
553 Requested action not taken: mailbox name not allowed. |
| Smtp554_TransactionFailed |
554 |
554 Transaction failed. |
| Smtp571_DeliveryNotAuthorized |
571 |
571 Delivery not Authorized, message refused. |