Enable IMAP Pooling to reduce auth against the imap backend

root/etc/e-smith/templates/etc/sogo/sogo.conf/20mail

@@ -3,6 +3,7 @@
         SOGoMailingMechanism = smtp;
         SOGoSMTPServer = localhost;
         SOGoIMAPServer = "imap://localhost:{$imap{'TCPPort'} || '143'}";
+        NGImap4DisableIMAP4Pooling = NO;
         SOGoDraftsFolderName = {($sogod{'DraftsFolder'} || "Drafts")};
         SOGoSentFolderName = {($sogod{'SentFolder'} || "Sent")};
         SOGoTrashFolderName = {($sogod{'TrashFolder'} || "Trash")};