diff --git a/orchestra/contrib/accounts/admin.py b/orchestra/contrib/accounts/admin.py
index 1918a8ff..6df66eab 100644
--- a/orchestra/contrib/accounts/admin.py
+++ b/orchestra/contrib/accounts/admin.py
@@ -122,7 +122,7 @@ class AccountAdmin(ChangePasswordAdminMixin, auth.UserAdmin, ExtendedModelAdmin)
         return views
     
     def get_actions(self, request):
-        actions = super(AccountAdmin, self).get_actions(request)
+        actions = super().get_actions(request)
         if 'delete_selected' in actions:
             del actions['delete_selected']
         return actions
diff --git a/orchestra/contrib/mailer/actions.py b/orchestra/contrib/mailer/actions.py
new file mode 100644
index 00000000..ad94cd16
--- /dev/null
+++ b/orchestra/contrib/mailer/actions.py
@@ -0,0 +1,9 @@
+from django.core.urlresolvers import reverse
+from django.shortcuts import redirect
+
+
+def last(modeladmin, request, queryset):
+    last_id = queryset.order_by('id').values_list('id', flat=True).first()
+    url = reverse('admin:mailer_message_change', args=(last_id,))
+    print(url)
+    return redirect(url)
diff --git a/orchestra/contrib/mailer/admin.py b/orchestra/contrib/mailer/admin.py
index e74ecf76..b979c9aa 100644
--- a/orchestra/contrib/mailer/admin.py
+++ b/orchestra/contrib/mailer/admin.py
@@ -8,9 +8,11 @@ from django.db.models import Count
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
 
+from orchestra.admin import ExtendedModelAdmin
 from orchestra.admin.utils import admin_link, admin_colored, admin_date, wrap_admin_view
 from orchestra.contrib.tasks import task
 
+from .actions import last
 from .engine import send_pending
 from .models import Message, SMTPLog
 
@@ -25,13 +27,13 @@ COLORS = {
 }
 
 
-class MessageAdmin(admin.ModelAdmin):
+class MessageAdmin(ExtendedModelAdmin):
     list_display = (
         'display_subject', 'colored_state', 'priority', 'to_address', 'from_address',
         'created_at_delta', 'display_retries', 'last_try_delta',
     )
     list_filter = ('state', 'priority', 'retries')
-    list_prefetch_related = ('logs__id')
+    list_prefetch_related = ('logs',)
     search_fields = ('to_address', 'from_address', 'subject',)
     fieldsets = (
         (None, {
@@ -49,6 +51,7 @@ class MessageAdmin(admin.ModelAdmin):
         'display_to', 'display_from', 'display_content',
     )
     date_hierarchy = 'created_at'
+    change_view_actions = (last,)
     
     colored_state = admin_colored('state', colors=COLORS)
     created_at_delta = admin_date('created_at')
@@ -114,7 +117,7 @@ class MessageAdmin(admin.ModelAdmin):
     
     def get_urls(self):
         from django.conf.urls import url
-        urls = super(MessageAdmin, self).get_urls()
+        urls = super().get_urls()
         info = self.model._meta.app_label, self.model._meta.model_name
         urls.insert(0,
             url(r'^send-pending/$',
@@ -124,8 +127,8 @@ class MessageAdmin(admin.ModelAdmin):
         return urls
     
     def get_queryset(self, request):
-        qs = super(MessageAdmin, self).get_queryset(request)
-        return qs.annotate(Count('logs')).prefetch_related('logs').defer('content')
+        qs = super().get_queryset(request)
+        return qs.annotate(Count('logs')).defer('content')
     
     def send_pending_view(self, request):
         task(send_pending).apply_async()
@@ -135,7 +138,7 @@ class MessageAdmin(admin.ModelAdmin):
     def formfield_for_dbfield(self, db_field, **kwargs):
         if db_field.name == 'subject':
             kwargs['widget'] = forms.TextInput(attrs={'size':'100'})
-        return super(MessageAdmin, self).formfield_for_dbfield(db_field, **kwargs)
+        return super().formfield_for_dbfield(db_field, **kwargs)
 
 
 class SMTPLogAdmin(admin.ModelAdmin):
diff --git a/orchestra/contrib/payments/actions.py b/orchestra/contrib/payments/actions.py
index 26e55d2e..43ccb2a1 100644
--- a/orchestra/contrib/payments/actions.py
+++ b/orchestra/contrib/payments/actions.py
@@ -2,8 +2,9 @@ from functools import partial
 
 from django.contrib import messages
 from django.contrib.admin import actions
+from django.core.urlresolvers import reverse
 from django.db import transaction
-from django.shortcuts import render
+from django.shortcuts import render, redirect
 from django.utils.safestring import mark_safe
 from django.utils.text import capfirst
 from django.utils.translation import ungettext, ugettext_lazy as _
@@ -205,3 +206,19 @@ def report(modeladmin, request, queryset):
         'transactions': transactions,
     }
     return render(request, 'admin/payments/transaction/report.html', context)
+
+
+def reissue(modeladmin, request, queryset):
+    if len(queryset) != 1:
+        messages.error(request, _("One transaction should be selected."))
+        return
+    trans = queryset[0]
+    url = reverse('admin:payments_transaction_add')
+    url += '?account=%i&bill=%i&source=%s&amount=%s&currency=%s' % (
+        trans.bill.account_id,
+        trans.bill_id,
+        trans.source_id or '',
+        trans.amount,
+        trans.currency,
+    )
+    return redirect(url)
diff --git a/orchestra/contrib/payments/admin.py b/orchestra/contrib/payments/admin.py
index e8caa2d8..4c5a02e0 100644
--- a/orchestra/contrib/payments/admin.py
+++ b/orchestra/contrib/payments/admin.py
@@ -105,9 +105,10 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
     )
     change_view_actions = (
         actions.process_transactions, actions.mark_as_executed, actions.mark_as_secured,
-        actions.mark_as_rejected,
+        actions.mark_as_rejected, actions.reissue
     )
-    actions = change_view_actions + (actions.report, list_accounts)
+    search_fields = ('bill__number', 'bill__account__username', 'id')
+    actions = change_view_actions + (actions.report, list_accounts,)
     filter_by_account_fields = ('bill', 'source')
     change_readonly_fields = ('amount', 'currency')
     readonly_fields = (
@@ -124,17 +125,28 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
     display_created_at = admin_date('created_at', short_description=_("Created"))
     display_modified_at = admin_date('modified_at', short_description=_("Modified"))
     
+    def has_delete_permission(self, *args, **kwargs):
+        return False
+    
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if 'delete_selected' in actions:
+            del actions['delete_selected']
+        return actions
+    
     def get_change_view_actions(self, obj=None):
         actions = super(TransactionAdmin, self).get_change_view_actions()
         exclude = []
         if obj:
             if obj.state == Transaction.WAITTING_PROCESSING:
-                exclude = ['mark_as_executed', 'mark_as_secured']
+                exclude = ['mark_as_executed', 'mark_as_secured', 'reissue']
             elif obj.state == Transaction.WAITTING_EXECUTION:
-                exclude = ['process_transactions', 'mark_as_secured']
+                exclude = ['process_transactions', 'mark_as_secured', 'reissue']
             if obj.state == Transaction.EXECUTED:
-                exclude = ['process_transactions', 'mark_as_executed']
-            elif obj.state in [Transaction.REJECTED, Transaction.SECURED]:
+                exclude = ['process_transactions', 'mark_as_executed', 'reissue']
+            elif obj.state == Transaction.REJECTED:
+                exclude = ['process_transactions', 'mark_as_executed', 'mark_as_secured', 'mark_as_rejected']
+            elif obj.state == Transaction.SECURED:
                 return []
         return [action for action in actions if action.__name__ not in exclude]
     
@@ -154,6 +166,7 @@ class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
     )
     list_filter = ('state',)
     fields = ('data', 'file_url', 'created_at')
+    search_fields = ('transactions__bill__number', 'transactions__bill__account__username', 'id')
     readonly_fields = ('data', 'file_url', 'display_transactions', 'created_at')
     list_prefetch_related = ('transactions',)
     inlines = [TransactionInline]
diff --git a/orchestra/contrib/payments/models.py b/orchestra/contrib/payments/models.py
index 8d08e3f5..0c65345d 100644
--- a/orchestra/contrib/payments/models.py
+++ b/orchestra/contrib/payments/models.py
@@ -135,7 +135,12 @@ class Transaction(models.Model):
         if not self.pk:
             amount = self.bill.transactions.exclude(state=self.REJECTED).amount()
             if amount >= self.bill.total:
-                raise ValidationError(_("New transactions can not be allocated for this bill."))
+                raise ValidationError(
+                    _("Bill %(number)s already has valid transactions that cover bill total amount (%(amount)s).") % {
+                        'number': self.bill.number,
+                        'amount': amount,
+                    }
+                )
     
     def get_state_help(self):
         if self.source: