DRAG DROP
Match each SMTP component on the left with its roles on the right.
Answer: 
Match each SMTP component on the left with its roles on the right.
DRAG DROP
Match each SMTP component on the left with its roles on the right.
DRAG DROP
Match each SMTP component on the left with its roles on the right.
DRAG DROP
Match each SMTP component on the left with its roles on the right.
Answer: