Using Sieve to Filter Emails with Zip Attachments
Luckily the emails were easy to spot and also quite similar, which made it easy to create a custom filter for them. They did not mention my name, the subject always contained the word “Invoice” and a zip file was attached. Writing a filter for the first two criteria was, but I wanted it to be thorough and also filter out emails with zip file attachments. My email provider uses Sieve to let the user define filters. However, it was quite difficult to learn how to define more specific rules that are not as simple as ‘check the subject if it contains the word invoice’. ...