diff --git a/src/pretix/plugins/sendmail/forms.py b/src/pretix/plugins/sendmail/forms.py
index 6212b72d77..28e550085f 100644
--- a/src/pretix/plugins/sendmail/forms.py
+++ b/src/pretix/plugins/sendmail/forms.py
@@ -65,10 +65,20 @@ class MailForm(forms.Form):
         label=pgettext_lazy('subevent', 'Only send to customers of dates starting before'),
         required=False,
     )
+    created_from = forms.SplitDateTimeField(
+        widget=SplitDateTimePickerWidget(),
+        label=pgettext_lazy('subevent', 'Only send to customers with orders created after'),
+        required=False,
+    )
+    created_to = forms.SplitDateTimeField(
+        widget=SplitDateTimePickerWidget(),
+        label=pgettext_lazy('subevent', 'Only send to customers with orders created before'),
+        required=False,
+    )
 
     def clean(self):
         d = super().clean()
-        if d.get('subevent') and d.get('subevents_from'):
+        if d.get('subevent') and (d.get('subevents_from') or d.get('subevents_to')):
             raise ValidationError(pgettext_lazy('subevent', 'Please either select a specific date or a date range, not both.'))
         if bool(d.get('subevents_from')) != bool(d.get('subevents_to')):
             raise ValidationError(pgettext_lazy('subevent', 'If you set a date range, please set both a start and an end.'))
diff --git a/src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/send_form.html b/src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/send_form.html
index a67794e1cc..9aeae04b8f 100644
--- a/src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/send_form.html
+++ b/src/pretix/plugins/sendmail/templates/pretixplugins/sendmail/send_form.html
@@ -7,6 +7,7 @@
     {% block inner %}
         <form class="form-horizontal" method="post" action="" enctype="multipart/form-data">
             {% csrf_token %}
+            {% bootstrap_form_errors form %}
             {% bootstrap_field form.recipients layout='horizontal' %}
             {% bootstrap_field form.sendto layout='horizontal' %}
             {% if form.subevent %}
@@ -14,6 +15,8 @@
                 {% bootstrap_field form.subevents_from layout='horizontal' %}
                 {% bootstrap_field form.subevents_to layout='horizontal' %}
             {% endif %}
+            {% bootstrap_field form.created_from layout='horizontal' %}
+            {% bootstrap_field form.created_to layout='horizontal' %}
             {% bootstrap_field form.items layout='horizontal' %}
             <div class="row">
                 <div class="col-md-9 col-md-offset-3">
diff --git a/src/pretix/plugins/sendmail/views.py b/src/pretix/plugins/sendmail/views.py
index 6e9ef623ce..45394ad7f5 100644
--- a/src/pretix/plugins/sendmail/views.py
+++ b/src/pretix/plugins/sendmail/views.py
@@ -64,6 +64,10 @@ class SenderView(EventPermissionRequiredMixin, FormView):
                     kwargs['initial']['subevents_from'] = dateutil.parser.parse(logentry.parsed_data['subevents_from'])
                 if logentry.parsed_data.get('subevents_to'):
                     kwargs['initial']['subevents_to'] = dateutil.parser.parse(logentry.parsed_data['subevents_to'])
+                if logentry.parsed_data.get('created_from'):
+                    kwargs['initial']['created_from'] = dateutil.parser.parse(logentry.parsed_data['created_from'])
+                if logentry.parsed_data.get('created_to'):
+                    kwargs['initial']['created_to'] = dateutil.parser.parse(logentry.parsed_data['created_to'])
                 if logentry.parsed_data.get('subevent'):
                     try:
                         kwargs['initial']['subevent'] = self.request.event.subevents.get(
@@ -117,6 +121,10 @@ class SenderView(EventPermissionRequiredMixin, FormView):
             opq = opq.filter(subevent__date_from__gte=form.cleaned_data.get('subevents_from'))
         if form.cleaned_data.get('subevents_to'):
             opq = opq.filter(subevent__date_from__lt=form.cleaned_data.get('subevents_to'))
+        if form.cleaned_data.get('created_from'):
+            opq = opq.filter(order__datetime__gte=form.cleaned_data.get('created_from'))
+        if form.cleaned_data.get('created_to'):
+            opq = opq.filter(order__datetime__lt=form.cleaned_data.get('created_to'))
 
         orders = orders.annotate(match_pos=Exists(opq)).filter(match_pos=True).distinct()
 
diff --git a/src/pretix/presale/forms/renderers.py b/src/pretix/presale/forms/renderers.py
index bd3a1e1af8..f0ff35e75f 100644
--- a/src/pretix/presale/forms/renderers.py
+++ b/src/pretix/presale/forms/renderers.py
@@ -1,5 +1,44 @@
 from bootstrap3.renderers import FieldRenderer
+from bootstrap3.text import text_value
 from bootstrap3.utils import add_css_class
+from django.forms import CheckboxInput
+from django.forms.utils import flatatt
+from django.utils.html import escape, format_html, strip_tags
+from django.utils.safestring import mark_safe
+from django.utils.translation import pgettext
+
+
+def render_label(content, label_for=None, label_class=None, label_title='', optional=False):
+    """
+    Render a label with content
+    """
+    attrs = {}
+    if label_for:
+        attrs['for'] = label_for
+    if label_class:
+        attrs['class'] = label_class
+    if label_title:
+        attrs['title'] = label_title
+
+    if text_value(content) == '&#160;':
+        # Empty label, e.g. checkbox
+        attrs.setdefault('class', '')
+        attrs['class'] += ' label-empty'
+        # usually checkboxes have overall empty labels and special labels per checkbox
+        # => remove for-attribute as well as "required"-text appended to label
+        del(attrs['for'])
+        opt = ""
+    else:
+        opt = mark_safe('<i class="sr-only"> {}</i>'.format(pgettext('form', 'required'))) if not optional else ''
+
+    builder = '<{tag}{attrs}>{content}{opt}</{tag}>'
+    return format_html(
+        builder,
+        tag='label',
+        attrs=mark_safe(flatatt(attrs)) if attrs else '',
+        opt=opt,
+        content=text_value(content),
+    )
 
 
 class CheckoutFieldRenderer(FieldRenderer):
@@ -24,3 +63,28 @@ class CheckoutFieldRenderer(FieldRenderer):
                 self.get_size_class(prefix='form-group')
             )
         return form_group_class
+
+    def add_label(self, html):
+        label = self.get_label()
+
+        if hasattr(self.field.field, '_required'):
+            # e.g. payment settings forms where a field is only required if the payment provider is active
+            required = self.field.field._required
+        else:
+            required = self.field.field.required
+
+        html = render_label(
+            label,
+            label_for=self.field.id_for_label,
+            label_class=self.get_label_class(),
+            optional=not required and not isinstance(self.widget, CheckboxInput)
+        ) + html
+        return html
+
+    def put_inside_label(self, html):
+        content = "{field} {label}".format(field=html, label=self.label)
+        return render_label(
+            content=mark_safe(content),
+            label_for=self.field.id_for_label,
+            label_title=escape(strip_tags(self.field_help)),
+        )
diff --git a/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html b/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
index f23f86744e..e88d0d6321 100644
--- a/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
+++ b/src/pretix/presale/templates/pretixpresale/event/checkout_questions.html
@@ -4,7 +4,7 @@
 {% load rich_text %}
 {% block inner %}
     <p>{% trans "Before we continue, we need you to answer some questions." %}</p>
-    <p class="required-legend">
+    <p class="required-legend" aria-hidden="true">
         {% blocktrans trimmed %}
             You need to fill all fields that are marked with <span>*</span> to continue.
         {% endblocktrans %}