Re: struggling with gnus imap

[harven]

"Sven Bretfeld" <sven.bretfeld@gmx.ch> writes:

> Roger Mason <rmason@mun.ca> writes:
>
>>> What do you see when you "open server buffer" (use "^" in gnus to do that)?
>>
>> {nnfolder:archive} (opened)
>>      {nnimap:MUN} (opened)
>>      {nnml:} (opened)
>>      {nntp:coranto.ucs.mun.ca} (opened) (agent)
>
> I also shifted from nnml to nnimap this week. I had similar problems at
> the beginning. As far as I can remember, it worked after I deleted
> (renamed) ~/.newsrc and ~/.newsrc.eld. But you have to subscribe to all
> groups again and re-create your topics if you do that. But this takes
> only a few seconds. Just open the server buffer with "^" enter the
> servers (RET) and hit "u" on every relevant group. Your imap-Server MUN
> should show all folders extant on the server as groups ready to be
> subscribed.
>
> You can create new imap-folders by hitting "G m" in the summary buffer.
> Type in a name (e.g. "Important") RET nnimap:MUN RET. Hit "G del" if you
> want to delete a folder.
>
> I still don't know how I should configure expiry. I would like to delete
> the mail in some folders by hand (in case of folders where I keep
> messages that still demand action), while the usual inbox should delete
> its contents automatically after some 30 days.
>
> Greetings
>
> Sven

This can be done using gnus-parameters. 
See (info"(gnus)Group Parameters") under the item expiry-wait. For example,

(setq nnmail-expiry-wait 30)
(setq gnus-parameters
 '(("imap.*\\|nndoc.*" 
     (expiry-wait . immediate))
   ("name-of-some-folder"
     (expiry-wait . never))))