I have tried various keywords etc, however every search produces a result including every email.
I found this guide to IMAP keywords, although it is not helping re above: https://www.fastmail.help/hc/en-us/articles/360060591213-Searching-your-mail
I have tried various keywords etc, however every search produces a result including every email.
I found this guide to IMAP keywords, although it is not helping re above: https://www.fastmail.help/hc/en-us/articles/360060591213-Searching-your-mail