In some cases the e-mail with the entrance tickets comes in the junk mail folder of your mail program. The name of that folder is different per mail program. Common names are: unwanted e-mail, junk mail or spam.
Look in the folder with such a name. It is also possible that you have entered an incorrect e-mail address or you have mistakenly made a typo. In that case, contact our help desk via firstname.lastname@example.org and state your name and time of ordering. We are available by e-mail 7 days a week. You will receive a response within one day.