Thank you very much for the explanation.Have a nice weekend 

Hi Ken,Can you please confirm for me if Destination Controls is used for incoming mail or outgoing mail or both

Hi Ken,That's great. Thank you for your assistance.Have a nice day. 

Hi Ken,I really appreciate for your prompt response.My apologies, these are private domains exist in home lab environment.RE: What's more important to me to implement TLS on Cisco ESA.May I please make the following inquiries about on how to do it.I ...

Hi Ken,My dns server has the correct dkim record. Please refer to results below.ESA tested successfully. Receiving Mail Server responded correctly with dig.However, dkim faile because 'no key found in DNS' , as shown below.  DKIM:'FAIL'  Can you plea...