Allow blacklisting mail addresses without opening their e-mails
It's not necessarily safe to open spam emails, but I'm required to to see their address so I can blacklist them. A menu option for blacklisting would be really handy here, but seeing the address without opening the mail would be the easiest way, I think.

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Miicat commented
This has been now implemented partly. On the web, you can see the sender by hovering the email :D
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critiqueboutique commented
just move to spam without opening > autoblacklisted
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Miicat commented
I would like to see the email address without opening the email to see who sent it and if the sender is trust worthy
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J Trinklein commented
Just fyi: at least from the web ui if you select the message using the checkbox on the left you can click the button to move the message to spam, which also blocks the sender.
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Grizz commented
GREAT idea!
I just want to be sure I put more votes behind this. Could anyone tell me if we are informed when a vote is complete?