We just started getting this bounce back message when sending to military email addresses. Bounced: #5.7.5 DKIM unauthenticated mail is prohibited; Verify DKIM key length is >= 1024B We have made no changes to our SEA. Can anyone example what possibly…

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 there, i still belive, that the SEA (4.3.0) sends Agregated DMARC report. So far so good. But i think it dind't use the DKIM Settings, so i got Agregated DMARC reports from other domains, that the DKIM check fails. Can i configure, that the Agregated…

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…