(edited by Andrew Bourgeois.4023)
Didn't receive Essences mail (solved)
Have you checked if you have enough space in your mailbox?
Limit is 10 mails and sometimes it seems to help to delete all mails on all characters.
The mailbox is empty on those accounts. Two other accounts got the mail.
This issue is a duplicate of: https://forum-en.gw2archive.eu/forum/support/bugs/Didn-t-get-mail-on-update