diff --git a/cps/static/js/table.js b/cps/static/js/table.js
index 1c828267..420478dc 100644
--- a/cps/static/js/table.js
+++ b/cps/static/js/table.js
@@ -65,11 +65,12 @@ $(function() {
     });
 });
 
-/*function TableActions (value, row, index) {
+/* Function for deleting domain restrictions */
+function TableActions (value, row, index) {
     return [
         "<a class=\"danger remove\" data-toggle=\"modal\" data-target=\"#DeleteDomain\" data-domain-id=\"" + row.id
         + "\" title=\"Remove\">",
         "<i class=\"glyphicon glyphicon-trash\"></i>",
         "</a>"
     ].join("");
-}*/
+}
diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index fcc4ac5f..b9765917 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -40,7 +40,7 @@
             </div>
             {% endif %}
           {% endif %}
-            {% if g.user.kindle_mail and g.user.is_authenticated and kindle_list %}
+            {% if g.user.kindle_mail and kindle_list %}
               {% if kindle_list.__len__() == 1 %}
                 <a href="{{url_for('web.send_to_kindle', book_id=entry.id, book_format=kindle_list[0]['format'], convert=kindle_list[0]['convert'])}}" id="sendbtn" data-text="{{_('Send to Kindle')}}" class="btn btn-primary" role="button"><span class="glyphicon glyphicon-send"></span> {{kindle_list[0]['text']}}</a>
               {% else %}
diff --git a/cps/ub.py b/cps/ub.py
index 22635849..bb055344 100644
--- a/cps/ub.py
+++ b/cps/ub.py
@@ -272,6 +272,7 @@ class Anonymous(AnonymousUserMixin, UserBase):
         self.locale = data.locale
         self.mature_content = data.mature_content
         self.anon_browse = settings.config_anonbrowse
+        self.kindle_mail = data.kindle_mail
 
     def role_admin(self):
         return False
diff --git a/cps/web.py b/cps/web.py
index 7f2f01a7..db899b75 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -52,6 +52,7 @@ import gdriveutils
 from redirect import redirect_back
 from cps import lm, babel, ub, config, get_locale, language_table, app, db
 from pagination import Pagination
+import unidecode
 
 
 feature_support = dict()
@@ -873,15 +874,20 @@ def advanced_search():
         searchterm = " + ".join(filter(None, searchterm))
         q = q.filter()
         if author_name:
-            q = q.filter(db.Books.authors.any(db.Authors.name.ilike("%" + author_name + "%")))
+            q = q.filter(db.Books.authors.any(db.or_(db.Authors.name.ilike("%" + author_name + "%"),
+                                                     db.Authors.name.ilike("%" + unidecode.unidecode(author_name)
+                                                                           + "%"))))
         if book_title:
-            q = q.filter(db.Books.title.ilike("%" + book_title + "%"))
+            q = q.filter(db.or_(db.Books.title.ilike("%" + book_title + "%"),
+                                db.Books.title.ilike("%" + unidecode.unidecode(book_title) + "%")))
         if pub_start:
             q = q.filter(db.Books.pubdate >= pub_start)
         if pub_end:
             q = q.filter(db.Books.pubdate <= pub_end)
         if publisher:
-            q = q.filter(db.Books.publishers.any(db.Publishers.name.ilike("%" + publisher + "%")))
+            q = q.filter(db.Books.publishers.any(db.or_(db.Publishers.name.ilike("%" + publisher + "%"),
+                                                        db.Publishers.name.ilike("%" + unidecode.unidecode(publisher)
+                                                                                 + "%"),)))
         for tag in include_tag_inputs:
             q = q.filter(db.Books.tags.any(db.Tags.id == tag))
         for tag in exclude_tag_inputs:
@@ -904,7 +910,9 @@ def advanced_search():
             rating_low = int(rating_low) * 2
             q = q.filter(db.Books.ratings.any(db.Ratings.rating >= rating_low))
         if description:
-            q = q.filter(db.Books.comments.any(db.Comments.text.ilike("%" + description + "%")))
+            q = q.filter(db.Books.comments.any(db.or_(db.Comments.text.ilike("%" + description + "%"),
+                                                      db.Comments.text.ilike("%" + unidecode.unidecode(description)
+                                                                             + "%"))))
 
         # search custom culumns
         for c in cc:
@@ -919,7 +927,8 @@ def advanced_search():
                         db.cc_classes[c.id].value == custom_query))
                 else:
                     q = q.filter(getattr(db.Books, 'custom_column_'+str(c.id)).any(
-                        db.cc_classes[c.id].value.ilike("%" + custom_query + "%")))
+                        db.or_(db.cc_classes[c.id].value.ilike("%" + custom_query + "%"),
+                               db.cc_classes[c.id].value.ilike("%" + unidecode.unidecode(custom_query) + "%"))))
         q = q.all()
         ids = list()
         for element in q:
diff --git a/cps/worker.py b/cps/worker.py
index 94f6a735..f00baa2e 100644
--- a/cps/worker.py
+++ b/cps/worker.py
@@ -475,9 +475,9 @@ class WorkerThread(threading.Thread):
         except (MemoryError) as e:
             self._handleError(u'Error sending email: ' + e.message)
             return None
-        except (smtplib.SMTPException) as e:
+        except (smtplib.SMTPException, smtplib.SMTPAuthenticationError) as e:
             if hasattr(e, "smtp_error"):
-                text = e.smtp_error.replace("\n",'. ')
+                text = e.smtp_error.decode('utf-8').replace("\n",'. ')
             elif hasattr(e, "message"):
                 text = e.message
             else:
@@ -502,7 +502,6 @@ class WorkerThread(threading.Thread):
 
     def _handleError(self, error_message):
         app.logger.error(error_message)
-        # self.queue[self.current]['status'] = STAT_FAIL
         self.UIqueue[self.current]['stat'] = STAT_FAIL
         self.UIqueue[self.current]['progress'] = "100 %"
         self.UIqueue[self.current]['runtime'] = self._formatRuntime(
@@ -510,7 +509,6 @@ class WorkerThread(threading.Thread):
         self.UIqueue[self.current]['message'] = error_message
 
     def _handleSuccess(self):
-        # self.queue[self.current]['status'] = STAT_FINISH_SUCCESS
         self.UIqueue[self.current]['stat'] = STAT_FINISH_SUCCESS
         self.UIqueue[self.current]['progress'] = "100 %"
         self.UIqueue[self.current]['runtime'] = self._formatRuntime(