Reverse E-Mail Blockage.....

Joachim Backes joachim.backes at
Sat Dec 28 09:29:58 UTC 2013

On 12/28/2013 06:06 AM, Eddie G. O'Connor Jr. wrote:
> Hello you Ferdorans! (FedorIANS?...) I have a question, 
> all know that there's ways to block unwanted email from your system 
> using Message Filters, and they work by blocking a certain domain or 
> email address and prevent them from hitting your Inbox, I would like to 
> know if anyone knows of a way to filter your messages in a sort of 
> "reverse" other words instead of me telling the Mail Filter 
> Rule: Block anything with the email address of (ABC at 123) I would like it 
> to be "Allow everything from (123 at ABC) and block "Everything Else" 
> would one go about doing this using Fedora 20 and Thunderbird? Any help 
> would be greatly appreciated
> Thank You

Hi Eddie,

if creating a message filter in TB, one of the rules can be: "contains"
or "doesn't contain" or "is" os "isn't", and you can apply this for keys
like subject, body, and so on.

Is that what you mean?

Kind regards

Joachim Backes


Fedora release 20 (Heisenbug)

Joachim Backes <joachim.backes at>

More information about the users mailing list