Set . as mailbox separator

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

@@ -4,6 +4,7 @@
         SOGoSMTPServer = localhost;
         SOGoIMAPServer = "imap://localhost:{$imap{'TCPPort'} || '143'}";
         NGImap4DisableIMAP4Pooling = NO;
+        NGImap4ConnectionStringSeparator = ".";
         SOGoDraftsFolderName = {($sogod{'DraftsFolder'} || "Drafts")};
         SOGoSentFolderName = {($sogod{'SentFolder'} || "Sent")};
         SOGoTrashFolderName = {($sogod{'TrashFolder'} || "Trash")};