Computer Science · Computer Networks
When an SMTP client connects to a mail server to send an email, which of the following sequences of commands is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1MAIL FROM → RCPT TO → HELO → DATA → QUIT
- 2RCPT TO → MAIL FROM → HELO → DATA → QUIT
- 3DATA → HELO → MAIL FROM → RCPT TO → QUIT
- 4HELO → MAIL FROM → RCPT TO → DATA → QUIT✓
Correct answer
HELO → MAIL FROM → RCPT TO → DATA → QUIT
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