Which of the following solutions would BEST help mitigate the issue?

Recently, an organization received a number of spam emails that passed through the spam gateway. The emails contained generally the same information, but the sending domains were different.

Which of the following solutions would BEST help mitigate the issue?
A . Updating the keyword filtering
B. Editing the sender policy framework
C. Contacting the gateway vendor
D. Verifying DMARC is enabled

View Answer

Answer: A