I've gotten a wierd email from my server Successful Mail Delivery Report This is the mail system at host mail.mydomain.si. Your message was successfully delivered to the destination(s) listed below. If the message was delivered to mailbox you will receive no further notifications. Otherwise you may still receive notifications of mail delivery errors from other systems. The mail system list of sent domains .... like <firstname.lastname@example.org>: delivery via ASPMX.L.GOOGLE.com[220.127.116.11]:25: 250 2.0.0 OK 1497000853 q3si676062wrd.188 - gsmtp .... Why did I get this message? What is this message? Can I disable it?