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How can I create filter for email with no subject? (it's blank)

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I get emails that come in without a subject line and I would like to add a filter which deletes these. I've tried using various ways in the Message Filter and nothing seems to work. Do I need to put in a special character in the Subject Contains field like *no subject*? Leaving it blank obviously does not work. Thanks in advance.

Chosen solution

Instead of 'contains', use 'is'. See screenshot for the exact configuration. Confirmed working on my side.

https://sh.c7.ee/lt1nL/Screenshot%20from%202020-02-10%2002-22-10.png

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Chosen Solution

Instead of 'contains', use 'is'. See screenshot for the exact configuration. Confirmed working on my side.

https://sh.c7.ee/lt1nL/Screenshot%20from%202020-02-10%2002-22-10.png

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That was so incredibly simple that I'm now embarrassed that I even asked the question. Thank you very much!

Rasmus Kallas said

Instead of 'contains', use 'is'. See screenshot for the exact configuration. Confirmed working on my side. https://sh.c7.ee/lt1nL/Screenshot%20from%202020-02-10%2002-22-10.png

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No worries, I have fought my battles with message filters and now need to sort the sorters (the -----------something below/above) (because of the execution order)

https://sh.c7.ee/e28mY/lol.png

2 pieces of advice what I give with computers, what sometimes gets echoed back to me:

  • read, seriously read what the computer says, error messages, anything
  • else press all buttons and try to not press the red buttons, what have long warning texts

(extra) automatic backups, regularly verify that the backups work (I do 2 backups per hour for my workstation), so if you do press the wrong button, you shrug

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