Category Archives: SMTP

By December 05, 2007

211 System status, or system help reply 214 Help message 220 Service ready 221 Service closing transmission channel 250 Requested mail action okay, completed 251 User not local; will forward to 354 Start mail input; end with . 421 Service not available, closing transmission channel 450 Requested mail action not taken: mailbox unavailable 451 Requested


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