%x When the input key is an address of the form
user+extension@domain, %x is replaced by the SQL
quoted recipient_delimiter and extension of the
local part of the address. Otherwise, %x is
empty. If the localpart is empty, the query is
suppressed and returns no results.
and also as a result format. Among other amazing uses, this would
enable automatic sorting of virtual(8) mail to subfolders based on
extension:
query = select (coalesce(path, '%d/%u/%x/') from VMailboxes ...
where localpart || '%x' || '@' || domain is '%s'
(I doubt that example would work with imapds as is, but surely a
conditional expression could do the trick.)
I know it's too late for Postfix 2.9, but is this possible? Does it
make sense, or would it need too drastic a rewrite?
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