[MlMt] Adding header fields to message view (was " attachment in headers display")

[Michael Nietzold]

Since i Like to have the "source mailbox" as row in the header section of a message:

To combine both ideas it would be nice to have a generic setting for additional header rows where a user can add one or more rows with  meta data from the message (or some of the possible calculations)

Von meinem iDingens gesendet...

> Am 24.04.2019 um 17:30 schrieb Verdon Vaillancourt <verdonv at gmail.com>:
> 
>> On 24 Apr 2019, at 11:23, Randall Gellens wrote:
>> 
>>> On 24 Apr 2019, at 7:49, Verdon Vaillancourt wrote:
>>> 
>>> Related to this, but not concerning attachments…
>>> 
>>> Is there a low-level way to hack what is displayed in the header area of a message view? Specifically, the company I work for uses gmail corporate, and a lot of  ‘delegation’ access to special accounts. In other words, I can login to my account and have access to send and receive on behalf of some generic accounts like support@ and info@ and so on. People using the gmail browser client can see what delegate was sending on behalf of that account. I of course cannot see that in MailMate. The delegate information is an extra field in the message’s header.
>> 
>> You want to add a specific header field to the set that is shown in a message view?  That seems very useful.  I don't see an easy way to do that.  Perhaps someone else on the list can answer.  (It might be possible to edit the MmMessagesWebView/stylesheet.css, as mentioned in https://manual.mailmate-app.com/customization, but I don't know and have never done it).
>> 
>> The View -> Show Raw Message command will show all header fields, but likely this isn't what you want.
>> 
>> --Randall
> 
> Thank you for the reference to the customization page. I’d forgotten that and will look there. Your understanding of the scenario is exactly right. Also thanks for changing the subject of the message. I should know better ;-)
> 
> — Verdon
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