diff --git a/members/forms.py b/members/forms.py
index a6e47ce..221b8b7 100644
--- a/members/forms.py
+++ b/members/forms.py
@@ -3,12 +3,81 @@ from django.utils.translation import ugettext_lazy as _
 
 from members.models import Member, Payment, Request
 
+import csv
+import datetime
+import logging
+
+
+class CSVValidationError(Exception):
+    def __init__(self, form_errors):
+        self.form_errors = form_errors
+
 
 class MemberForm(forms.ModelForm):
 
     class Meta:
         model = Member
-        fields = ['first_name', 'last_name', 'email', 'AYY', 'jas', 'POR']
+        fields = ['first_name', 'last_name', 'email', 'POR', 'AYY', 'jas']
+
+    class ImportResult:
+        def __init__(self, members, payments):
+            self.members = members
+            self.payments = payments
+
+    def clean_email(self):
+        email = self.cleaned_data['email']
+
+        if Member.objects.filter(email=email).exists():
+            raise forms.ValidationError('Member with email "{}" already exists.'.format(email), code='exists')
+
+        return email
+
+    def clean_jas(self):
+        return bool(int(self.data['jas']))
+
+    def clean_AYY(self):
+        return bool(int(self.data['AYY']))
+
+    @staticmethod
+    def csv_to_models(data, payment_source='AYY'):
+        clean_data = data.strip().split('\n')
+        clean_data = [row.rstrip(',') for row in clean_data]
+        csv_reader = csv.DictReader(clean_data, fieldnames=MemberForm.Meta.fields)
+
+        members = []
+        payments = []
+        for line in csv_reader:
+            for key, value in line.items():
+                line[key] = value.strip()
+
+            email = line['email']
+            member_exists = False
+            if Member.objects.filter(email=email).exists():
+                member_exists = True
+
+            if not member_exists:
+                form = MemberForm(line)
+                if not form.is_valid():
+                    raise CSVValidationError(form.errors)
+
+                model = form.save(commit=False)
+                members.append(model)
+
+            else:
+                member = Member.objects.get(email=email)
+                payment_data = {
+                    'source': payment_source,
+                    'member': member.id,
+                    'date': datetime.datetime.now(),
+                }
+                form = PaymentForm(payment_data)
+                if not form.is_valid():
+                    raise CSVValidationError(form.errors)
+
+                model = form.save(commit=False)
+                payments.append(model)
+
+        return MemberForm.ImportResult(members, payments)
 
 
 class PaymentForm(forms.ModelForm):
diff --git a/members/migrations/0014_auto_20170920_1457.py b/members/migrations/0014_auto_20170920_1457.py
new file mode 100644
index 0000000..1397954
--- /dev/null
+++ b/members/migrations/0014_auto_20170920_1457.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-09-20 11:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('members', '0013_auto_20170601_1822'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='member',
+            name='email',
+            field=models.EmailField(max_length=254, unique=True, verbose_name='Email'),
+        ),
+        migrations.AlterField(
+            model_name='request',
+            name='email',
+            field=models.EmailField(max_length=254, unique=True, verbose_name='Email'),
+        ),
+    ]
diff --git a/members/models.py b/members/models.py
index a8c46d0..8cbcae8 100644
--- a/members/models.py
+++ b/members/models.py
@@ -13,7 +13,7 @@ class BaseMember(models.Model):
     '''
     first_name = models.CharField(_("First name"), max_length=127)
     last_name = models.CharField(_("Last name"), max_length=127)
-    email = models.EmailField(_("Email"))
+    email = models.EmailField(_("Email"), unique=True)
     POR = models.CharField(_("Place of residence"), max_length=255)  # place of residence
     AYY = models.BooleanField(_("AYY"), default=False)
     jas = models.BooleanField(_("JAS"), default=False)
@@ -26,7 +26,6 @@ class BaseMember(models.Model):
 
     @staticmethod
     def from_csv(data):
-        print("Imported CSV data: {}".format(data))
         clean_data = data.strip().split('\n')
         csv_reader = csv.reader(clean_data)
 
diff --git a/members/templates/error.html b/members/templates/error.html
index b8c30ae..745eb56 100644
--- a/members/templates/error.html
+++ b/members/templates/error.html
@@ -9,7 +9,7 @@
     </div>
 
     <div class="alert alert-danger">
-        {{ error }}
+        {{ error|safe }}
     </div>
     <div>
         <button onclick="window.history.back();" class="btn btn-primary">{% trans "Back" %}</button>
diff --git a/members/templates/member_add_many.html b/members/templates/member_add_many.html
index fc083eb..9d9b4e8 100644
--- a/members/templates/member_add_many.html
+++ b/members/templates/member_add_many.html
@@ -5,7 +5,7 @@
 {% block content %}
 <div>
     <div>
-        <h3> Lisää useampi jäsen </h3>
+        <h3>{% trans "Add many members" %}</h3>
     </div>
 
     <div>
@@ -25,9 +25,18 @@
 
     </div>
     <form name="memberTextForm" action="/members/import_csv" method="POST">{% csrf_token %}
-        <div>
+        <div class="form-group">
+            <label>{% trans "Data" %}</label>
             <textarea name="textfield" class="form-control large-textarea" placeholder="Teemu, Teekkari, teemu.teekkari@notmail.dom, Otaniemi, 0, 0"></textarea>
         </div>
+        <div class="form-group">
+            <label>{% trans "Payment source" %}</label>
+            <select name="payment_source" class="form-control">
+              <option value="AYY">{% trans "AYY" %}</option>
+              <option value="bank_transfer">{% trans "Bank transfer" %}</option>
+              <option value="cash">{% trans "Cash payment" %}</option>
+            </select>
+        </div>
         <div>
             <button type="submit" class="btn btn-primary">{% trans "Send" %}</button>
         </div>
diff --git a/members/templates/member_add_many_confirm.html b/members/templates/member_add_many_confirm.html
new file mode 100644
index 0000000..2cff70a
--- /dev/null
+++ b/members/templates/member_add_many_confirm.html
@@ -0,0 +1,26 @@
+{% extends "members_base.html" %}
+
+{% load i18n %}
+
+{% block content %}
+<div>
+    <div>
+        <h3>{% trans "Confirm adding these entries?" %}</h3>
+    </div>
+
+    <div class="form-group">
+        <label>{% trans "Members" %}</label>
+        {{ members|safe }}
+    </div>
+    <div class="form-group">
+        <label>{% trans "Payments" %}</label>
+        {{ payments|safe }}
+    </div>
+    </div>
+    <form name="memberTextForm" action="/members/add_many_confirm" method="POST">{% csrf_token %}
+        <div>
+            <button type="submit" class="btn btn-primary">{% trans "Send" %}</button>
+        </div>
+    </form>
+</div>
+{% endblock content %}
diff --git a/members/templates/member_duplicates.html b/members/templates/member_duplicates.html
deleted file mode 100644
index c6f2995..0000000
--- a/members/templates/member_duplicates.html
+++ /dev/null
@@ -1,40 +0,0 @@
-{% extends "members_base.html" %}
-
-{% load i18n %}
-{% load bootstrap3 %}
-
-{% block content %}
-<div>
-    <div>
-        <h3>{% trans "Conflicting member entries" %}</h3>
-    </div>
-
-    <div>
-        <p>{% blocktrans %}Found conflicting member entries. Choose how to handle the problematic data.{% endblocktrans %}</p>
-
-        {% for conflict in conflicts %}
-        <div class="conflict-row">
-          <div class="col-md-6">
-            <table class="table readonly table-conflict bg-info" >
-                {{ conflict.first_member_form }}
-            </table>
-          </div>
-          <div class="col-md-6">
-            <table class="table readonly table-conflict bg-info" >
-                {{ conflict.second_member_form }}
-            </table>
-          </div>
-          <div>
-            <form action="/members/resolve_conflict" method="POST">{% csrf_token %}
-              <p>{% blocktrans %}Which one has the correct information for this member?{% endblocktrans %}</p>
-              <input type="hidden" name="id" value="{{ conflict.id }}">
-              <button type="submit" name="action" value="first" class="btn btn-primary">{% trans "Accept first and remove second" %}</button>
-              <button type="submit" name="action" value="second" class="btn btn-primary">{% trans "Accept second and remove first" %}</button>
-              <button type="submit" name="action" value="both" class="btn btn-primary">{% trans "Accept both as two members" %}</button>
-            </form>
-          </div>
-        </div>
-        {% endfor %}
-    </div>
-</div>
-{% endblock content %}
diff --git a/members/urls.py b/members/urls.py
index 9738af6..397409a 100644
--- a/members/urls.py
+++ b/members/urls.py
@@ -16,8 +16,7 @@ from members.views import member_update
 from members.views import member_delete_confirm
 from members.views import member_delete
 from members.views import payment_list
-from members.views import member_duplicates
-from members.views import resolve_conflict
+from members.views import add_many_confirm
 
 # rest api
 from members.views import MemberDetail
@@ -89,6 +88,9 @@ urlpatterns = [
     # delete confirmation view
     url(r'^delete_payment_confirm/(?P<index>\d+)$', payment_delete_confirm),
 
+    # post endpoint for confirming multiple entries
+    url(r'^add_many_confirm$', add_many_confirm),
+
     # settings page
     url(r'^settings$', settings_page),
 
@@ -104,10 +106,4 @@ urlpatterns = [
     # rest api url
     url(r'^api/members/(?P<pk>\d+)$', MemberDetail.as_view()),
 
-    # member duplicate resolution view
-    url(r'^duplicates$', member_duplicates),
-
-    # post target for resolving a conflict
-    url(r'^resolve_conflict$', resolve_conflict)
-
 ]
diff --git a/members/views.py b/members/views.py
index da03f3d..2792dd6 100644
--- a/members/views.py
+++ b/members/views.py
@@ -6,6 +6,7 @@ from django.http import HttpResponse, HttpResponseRedirect
 from django.core.mail import send_mail
 from django.conf import settings
 from django.utils.translation import ugettext as _
+from django.forms.models import model_to_dict
 
 # Email validation
 from django.db.models.signals import post_save
@@ -25,13 +26,18 @@ import requests
 import logging
 import html
 import csv
+import pickle
 from smtplib import SMTPAuthenticationError
 
 from members.models import Member, Request, Payment, MemberConflict
-from members.forms import MemberForm, PaymentForm, ApplicationForm
+from members.forms import MemberForm, PaymentForm, ApplicationForm, CSVValidationError
 from members.tables import MemberTable, PaymentTable, RequestTable
 
 
+def error_view(request, message):
+    return render(request, 'error.html', {'error': str(message)})
+
+
 def validate_recaptcha(response):
     '''
     Recaptcha is used in member applications
@@ -421,16 +427,61 @@ def settings_page(request, *args, **kwargs):
 def import_csv(request, *args, **kwargs):
     try:
         data = request.POST['textfield']
+        payment_source = request.POST['payment_source']
     except:
         return render(request, 'error.html', {'error': _('Missing "textfield" POST request field')})
 
-    success = Member.from_csv(data)
-    if success:
-        logging.info('Imported CSV data:\n'.format(data))
-        notification = "{}.".format(_("Successfully imported multiple members"))
+    try:
+        result = MemberForm.csv_to_models(data, payment_source=payment_source)
+    except CSVValidationError as ex:
+        logging.exception('Model validation error')
+        return error_view(request, ex.form_errors)
+    except Exception as ex:
+        logging.exception('Other error in CSV import')
+        return error_view(request, ex)
+
+    member_table = MemberTable(result.members,
+                               request=request,
+                               exclude=['id', 'options'],
+                               attrs={'class': 'table table-bordered table-hover'})
+
+    member_table_html = convert_table_to_html(member_table, request)
+
+    payment_table = PaymentTable(result.payments,
+                                 request=request,
+                                 exclude=['id', 'options'],
+                                 attrs={'class': 'table table-bordered table-hover'})
+
+    payment_table_html = convert_table_to_html(payment_table, request)
+
+    request.session['models'] = result
+    context = {
+        'members': member_table_html,
+        'payments': payment_table_html
+    }
+    return render(request, 'member_add_many_confirm.html', context)
+
+
+@ensure_csrf_cookie
+@require_http_methods(["POST"])
+@permission_required('members.change_member', login_url='/login')
+def add_many_confirm(request, *args, **kwargs):
+    models = request.session['models']
+
+    try:
+        members, payments = models.members, models.payments
+        for member in members:
+            member.save()
+
+        for payment in payments:
+            payment.save()
+
+        msg = "Successfully imported {} members and {} payments."
+        notification = _(msg).format(len(members), len(payments))
         return HttpResponseRedirect('/members/list?notification={}'.format(html.escape(notification)))
-    else:
-        return render(request, 'error.html', {'error': _('Failed to import members')})
+    except Exception as ex:
+        logging.exception('Failed to save models after "add many."')
+        return error_view(request, _('Failed to import members'))
 
 
 @ensure_csrf_cookie
@@ -452,54 +503,6 @@ def export_csv(request, *args, **kwargs):
     return response
 
 
-@ensure_csrf_cookie
-@require_http_methods(["GET"])
-@permission_required('members.change_member', login_url='/login')
-def member_duplicates(request, *args, **kwargs):
-    conflicts = MemberConflict.objects.all()
-    context = {
-        'conflicts': conflicts
-    }
-
-    return render(request, 'member_duplicates.html', context)
-
-
-@ensure_csrf_cookie
-@require_http_methods(["POST"])
-@permission_required('members.change_member', login_url='/login')
-def resolve_conflict(request, *args, **kwargs):
-    action = request.POST.get('action', None)
-    if action not in ['first', 'second', 'both']:
-        return render(request, 'error.html', {'error': '{}: {}'.format(('Incorrect action value'), action)})
-
-    id = request.POST.get('id', None)
-    if id is None:
-        return render(request, 'error.html', {'error': '{}: {}'.format(('Incorrect id value'), id)})
-
-    conflict = MemberConflict.objects.get(id=id)
-    first_member = conflict.first_member
-    second_member = conflict.second_member
-
-    if action == 'first':
-        for payment in second_member.payments.all():
-            payment.member = first_member
-            payment.save()
-        second_member.delete()
-    elif action == 'second':
-        for payment in first_member.payments.all():
-            payment.member = second_member
-            payment.save()
-        first_member.delete()
-
-    conflict.delete()
-
-    if MemberConflict.objects.exists():
-        return HttpResponseRedirect('/members/duplicates')
-    else:
-        notification = _('Successfully resolved all member conflicts.')
-        return HttpResponseRedirect('/members/list?notification={}'.format(html.escape(notification)))
-
-
 def send_mail_wrapper(subject, message, email_to):
     send_mail(subject,
               message,
@@ -536,25 +539,6 @@ def email_on_accept(sender, instance, created, **kwargs):
         logging.error('Failed to send email to accepted member!')
 
 
-def check_for_duplicates(instance):
-    name_candidates = Member.objects.filter(first_name=instance.first_name,
-                                            last_name=instance.last_name)
-    email_candidates = Member.objects.filter(email=instance.email)
-
-    candidates = name_candidates | email_candidates
-    duplicates = candidates.exclude(id=instance.id)
-
-    if len(duplicates) > 0:
-        conflict = MemberConflict(first_member=instance,
-                                  second_member=duplicates[0])
-        conflict.save()
-
-
-@receiver(post_save, sender=Member)
-def duplicate_receiver(sender, instance, created, **kwargs):
-    check_for_duplicates(instance)
-
-
 # Can be used to retrieve single member information via REST API
 class MemberDetail(generics.RetrieveAPIView):
     queryset = Member.objects.all()
diff --git a/setup.sh b/setup.sh
index 8f71754..6ac4281 100755
--- a/setup.sh
+++ b/setup.sh
@@ -16,7 +16,7 @@ then
     USE_NPM="false"
 fi
 
-$INTERACTIVE || echo "Running in non-interactive mode." && env
+$INTERACTIVE || (echo "Running in non-interactive mode." && env)
 
 $INTERACTIVE && read -p "Are these programs installed? [y/n]" -n 1 -r || REPLY="y"
 echo ""