I am using gnus to read mailing lists from an imap account. For some reason some (really) new messages are marked by Gnus as ancient, i.e. with O, they appear in the summary buffer together with the rest of the new messages when I enter a group first time, but they will disappear once I leave the group. Also the navigation commands, e.g. next-article, skip them.

Which settings control the expiration and navigation on such things?

I solved it partially by setting gnus-summary-goto-unread to (quote never) in emacs customization. Now the navigation commands go to any next article in the summary. But the question how to not let them expire is still open.

1 Answer 1


I'm not quite sure what you mean by "disappear". If they are still around, but not visible, when in the actual mail group you can hit / o - which is gnus-summary-insert-old-articles, and all the old articles will show up.

If the old articles are being expired, you can change that as follows: In the gnus Group buffer, move to the mail group in question. Then hit G c - which is gnus-group-customize. This lets you customize the parameters for the particular group - there is a list of parameters you can set.

Look for the entry Expire Wait, which you can set to "never". Next, go back to the top and hit done.

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