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Monday, August 12, 2013, 12:39

Common SMTP return Codes

Category: General

Solution ID: 00000220

Summary:

Common SMTP return Codes

Answer:

Following are some of the commonly seen SMTP return codes.

211 System status, or system help reply
214 Help message

220 Service ready
221 Service closing transmission channel
421 Service not available,

250 Requested mail action okay, completed
251 User not local; will forward to
252 Cannot VRFY user (e.g. info is not local). but will take message for this users and attempt delivery
450 Requested mail action not taken: mailbox unavailable (e.g. mailbox busy)
550 Requested action not taken: mailbox unavailable (e.g. mailbox not found or no access)
451 Requested action aborted: error in processing
551 User not local; please try
452 Requested action not taken: insufficient system storage
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed (e.g. mailbox syntax incorrect)
354 Start mail input; end with .
554 Transaction failed


Tags: smtp, return, error, codes

See Also:

Link to this article: http://perfectmail.com/kb/common_smtp_codes

Updated: Monday, August 12, 2013, 12:39

-- David Rutherford

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Last modified: 2013-08-12, 12:39

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