Fortinet
FCP_FML_AD-7.4 · Question #61
Which SMTP command lists the supported SMTP service extensions of the recipient MTA?
The correct answer is D. EHLO. The EHLO command (Extended HELO) prompts the recipient MTA to respond with a list of all supported SMTP service extensions, enabling the sender to use features like SMTP authentication, pipelining, and STARTTLS.
Email Operations
Question
Which SMTP command lists the supported SMTP service extensions of the recipient MTA?
Options
- AVRFY
- BHELO
- CDATA
- DEHLO
How the community answered
(40 responses)- A3% (1)
- B3% (1)
- D95% (38)
Explanation
The EHLO command (Extended HELO) prompts the recipient MTA to respond with a list of all supported SMTP service extensions, enabling the sender to use features like SMTP authentication, pipelining, and STARTTLS.
Topics
#SMTP commands#EHLO#MTA extensions#SMTP handshake
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