3-digit reply code Success

SMTP error 211

System status or help reply.

Updated Jul 1, 2026

The short answer

System status or help reply. Common cause: The server is returning diagnostic or status information you asked for.

Quick fix

Not an error — read the text that comes with it.

2 - Success. Not an error - the server accepted or completed the action.

How to fix it

Not an error — read the text that comes with it.

Related codes

214 Help reply. 220 Service ready. 221 Service closing transmission channel. 235 Authentication successful. 250 Requested action completed. 251 User not local; will forward.
All SMTP error codes
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