Which two tasks can be performed to reduce the probability of a delivery being blocked or flagged as 'spam' by anti-spam tools? (Choose two.)

Which two tasks can be performed to reduce the probability of a delivery being blocked or flagged as ‘spam’ by anti-spam tools? (Choose two.)

Which two tasks can be performed to reduce the probability of a delivery being blocked or flagged as ‘spam’ by anti-spam tools? (Choose two.)
A . Make sure your delivery does not contain only images
B . Email content should have both HTML and text parts
C . Specify recipient’s name in the greeting
D . Specify an English translation for non English mails

Answer: C,D