SMTP 211 System Status vs 250 OK
Both SMTP 211 (System Status) and 250 (OK) belong to the 2xx Positive Completion category. 211 indicates that a system status reply providing information about the mail server's current state. This is typically sent in response to a HELP or system inquiry command. Meanwhile, 250 means that the requested mail action has been completed successfully. This is the most common positive response in SMTP, returned after HELO/EHLO, MAIL FROM, RCPT TO, and DATA completion.
Deskripsi
A system status reply providing information about the mail server's current state. This is typically sent in response to a HELP or system inquiry command.
Ketika Anda Melihatnya
When querying the mail server for its status or capabilities. The server is sharing diagnostic or informational details about itself.
Cara Memperbaiki
No fix needed — this is an informational response. If the status indicates a problem, review the server's configuration or contact the mail administrator.
Deskripsi
The requested mail action has been completed successfully. This is the most common positive response in SMTP, returned after HELO/EHLO, MAIL FROM, RCPT TO, and DATA completion.
Ketika Anda Melihatnya
After nearly every successful SMTP command — greeting, specifying sender, adding recipients, or completing message delivery. This is the standard success confirmation.
Cara Memperbaiki
No fix needed — the command was accepted. If a command that should succeed returns a different code, check the command syntax and server policies.
Perbedaan Utama
SMTP 211: A system status reply providing information about the mail server's current state. This is typically sent in response to a HELP or system inquiry command.
SMTP 250: The requested mail action has been completed successfully. This is the most common positive response in SMTP, returned after HELO/EHLO, MAIL FROM, RCPT TO, and DATA completion.
You encounter 211 when when querying the mail server for its status or capabilities. The server is sharing diagnostic or informational details about itself.
You encounter 250 when after nearly every successful SMTP command — greeting, specifying sender, adding recipients, or completing message delivery. This is the standard success confirmation.
Kapan Menggunakan Yang Mana
For 211 (System Status): No fix needed — this is an informational response. If the status indicates a problem, review the server's configuration or contact the mail administrator. For 250 (OK): No fix needed — the command was accepted. If a command that should succeed returns a different code, check the command syntax and server policies.