diff --git a/root/etc/e-smith/templates/etc/sogo/sogo.conf/20mail b/root/etc/e-smith/templates/etc/sogo/sogo.conf/20mail
index e96bbc4..5dbcb71 100644
--- a/root/etc/e-smith/templates/etc/sogo/sogo.conf/20mail
+++ b/root/etc/e-smith/templates/etc/sogo/sogo.conf/20mail
@@ -4,7 +4,7 @@
         SOGoSMTPServer = localhost;
         SOGoIMAPServer = "imap://localhost:{$imap{'TCPPort'} || '143'}";
         NGImap4DisableIMAP4Pooling = NO;
-        NGImap4ConnectionStringSeparator = "{ (($dovecot{SharedMailbox} || 'disabled') eq 'enabled') ? '/' : '.' }";
+        NGImap4ConnectionStringSeparator = "{ ((($dovecot{SharedMailbox} || 'disabled') eq 'enabled') || (($dovecot{PublicMailbox} || 'disabled') eq 'enabled')) ? '/' : '.' }";
         SOGoDraftsFolderName = {($sogod{'DraftsFolder'} || "Drafts")};
         SOGoSentFolderName = {($sogod{'SentFolder'} || "Sent")};
         SOGoTrashFolderName = {($sogod{'TrashFolder'} || "Trash")};