[Users] Filter->Condition: test for missing Date header?

[Pierre Fortin]

On Mon, 24 Mar 2025 17:39:04 +0100 wwp wrote:

>Hello Pierre,
>
>
>On Mon, 24 Mar 2025 12:18:57 -0400 Pierre Fortin via Users <users at lists.claws-mail.org> wrote:
>
>> On Mon, 24 Mar 2025 12:16:14 -0400 Pierre Fortin via Users wrote:
>>   
>> >On Mon, 24 Mar 2025 15:38:51 +0100 wwp wrote:
>> >    
>> >>Hello Pierre,
>> >>
>> >>
>> >>On Mon, 24 Mar 2025 08:39:24 -0400 Pierre Fortin via Users <users at lists.claws-mail.org> wrote:
>> >>      
>> >>> Hi,
>> >>> 
>> >>> Does anyone have a Filter Condition to test for a missing Date header?
>> >>> 
>> >>> Asian spammers have tendency to send messages without a Date header which
>> >>> makes these messages appear as the oldest date and requiring scrolling to
>> >>> the other end of the message list to access/delete them.
>> >>> 
>> >>> Just wanting to trash any messages not containing a Date header.        
>> >>
>> >>~header "Date" regexpcase "."
>> >>
>> >>maybe? That would not cover non-valid (but still existing) date values.      
>> >
>> >Thanks, missed trying that variant.  Can't test right now...  I clicked
>> >Trash on a couple of these messages; but now can't find them in the Trash
>> >folder.
>> >
>> >POP3S, no filter affects these messages, so they stay in the Inbox on
>> >receipt. However, I expected to find them in the Trash folder intending
>> >to use them to test; but nope...
>> >
>> >Two possible reasons:
>> >- No-date message is totally deleted on Trash click
>> >- No-date message has a Date header added upon Trashing
>> >Other?    
>> 
>> Doh!  This must've been deleted completely due to no-date being older
>> than my 30 retention period.
>>   
>> >The next time I get one of these messages, my current rule will only
>> >change its color as a test.  
>
>Once filtered and in, such message with missing or broken Date: header
>can be 'fixed' by calling one of our tools available online (that you
>can invoke through an action). Check the fix_date.sh one at
>https://www.claws-mail.org/tools.php.

Appreciate that info; but for over a year, all the missing date messages
were chinese, japanese, other spam, so I was looking for a filter
condition that would trigger any action; in this case, delete which will
be immediate regardless of the 30 day retention (see "Doh!" above).  :)

>Regards,
>