this was the ticket I posted re the horde issue. https://bugs.horde.org/ticket/13761
On 18 Dec 2016 23:05, Peter Chiochetti wrote: > Am 2016-12-18 um 22:50 schrieb Ricardo Branco: >> I am having a problem with Horde due to large variations in email UID >> for a few users. >> At one time they were receiving thousands of emails a day, they have >> deleted all these messages but because they still have early emails in >> the mailbox the UID range from start to now is massive. >> We use Horde webmail and it creates an internal array based on range of >> messages but due to large UID range it eats though the ram. > > Not an answer, just curious: PHP arrays are sparse by design. Must be > something peculiar to the way Horde does IDs. > >> If I use dsync on a mailbox will the UIDs be renumbered? > > … >