Dear all, I faced a serious problem by a client who are sending email to microsoft domains (live.com, outlook.com, hotmail.com, ...) SEA mail logs show a SMTP 250 exit code, but the email has never been delivered to the mailbox. The client's IT engineer…

Hi, I want to configure DKIM Settings in my Sophos Email Appliance (ES1100). To do so, I need to fill the following 2 fields : Key selector, RSA Key. I think I can fill any name I want in key selector but I will have to create a public DNS…