La fonction de suggestion automatique permet d'affiner rapidement votre recherche en suggérant des correspondances possibles au fur et à mesure de la frappe.
I would recommend if you could check to make sure the server names and ports are correct. In some cases, you may need to contact your IT team to verify this information.
Confirm the IMAP server and port are correct. Most IMAP ports will be 993 or 143.