On 27 Feb 2026, at 9:05, Bill Cole wrote:
>
> That is usually a consequence of MailMate and webmail using a real "Trash"
> folder for staging message deletion while Apple Mail uses the IMAP "\Deleted"
> keyword, which MailMate doesn't fully support. There is discussion of tweaks
> to that in the MailMate Help in the Hidden Preferences section.
Slightly off-topic, but I have MM configured for "true" IMAP style delete and
expunge semantics. First, I have these settings configured:
% defaults write com.freron.MailMate MmShowDeletedMessages -bool YES
% defaults write com.freron.MailMate MmDeleteBehavior -string "markAsDeleted"
In addition, I have the following custom keybindings configured in my
~/Library/Application Support/MailMate/resources/KeyBindings/Delete.plist file
(you need to enable custom keybindings file(s) in the General tab of MM's
preferences):
{
"d" = ( "setTag:", "\\Deleted", "setTag:", "\\Seen", "nextMessage:" );
"u" = ( "removeTag:", "\\Deleted" );
"\U007F" = ( "setTag:", "\\Deleted", "setTag:", "\\Seen",
"nextMessage:" );
"x" = "expungeDeletedMessages:";
}
So the 'd' or 'delete' key will do the IMAP style delete operation (the message
remains visible, with a cute little trashcan icon), and 'x' will expunge any
such deleted messages in the currently selected mailbox folder.
Finally, I added the "Delete" and "Expunge" icons to my toolbar, which work as
expected with my other settings.
I forgot where I learned all this (it's been working this way for years); I
don't see it in the Hidden Preferences section of MM's Help->MailMate Help menu.
-Eric
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