SMTP Email Reply Codes

The SMTP Email VIs can return the following error codes. Refer to the KnowledgeBase for more information about correcting errors in LabVIEW.

Code Description
16211 211 System status or system help reply.
16214 214 Help message. Information about how to use the receiver or the meaning of a particular non-standard command; this reply is useful only to the human user.
16220 220 "domain" Service ready.
16221 221 domain service closing transmission channel.
16250 250 Requested mail action okay, completed.
16251 251 User not local; will forward to "forward-path."
16354 354 Start mail input; end with two carriage-return/line-feed characters.
16421 421 "domain" service not available, closing transmission channel. This might be a reply to any command if the service knows it must shut down.
16450 450 Requested mail action not taken: mailbox unavailable. For example, the mailbox might be busy.
16451 451 Requested action aborted: local error in processing.
16452 452 Requested action not taken: insufficient system storage.
16500 500 Syntax error, command unrecognized. For example, the command line might be too long.
16501 501 Syntax error in parameters or arguments.
16502 502 Command not implemented.
16503 503 Bad sequence of commands.
16504 504 Command parameter not implemented.
16550 550 Requested action not taken: mailbox unavailable. For example, the mailbox was not found or there is no access.
16551 551 User not local; try "forward-path."
16552 552 Requested mail action aborted: exceeded storage allocation.
16553 553 Requested action not taken: mailbox name not allowed. For example, the mailbox syntax might be incorrect.
16554 554 Transaction failed.