diff --git a/scripts/mail.sh b/scripts/mail.sh
index 3cde01e..00cc783 100755
--- a/scripts/mail.sh
+++ b/scripts/mail.sh
@@ -111,11 +111,18 @@ EOF
 sed -i "s/#port = 143/port = 0/" /etc/dovecot/conf.d/10-master.conf
 sed -i "s/#port = 110/port = 0/" /etc/dovecot/conf.d/10-master.conf
 
-# Create a Unix domain socket specific for postgres to connect via LMTP because
-# postgres is already configured to use this location, and create a TCP socket
+# Create a Unix domain socket specific for postgres for auth and LMTP because
+# postgres is more easily configured to use these locations, and create a TCP socket
 # for spampd to inject mail on (if it's configured later). dovecot's standard
 # lmtp unix socket is also listening.
 cat > /etc/dovecot/conf.d/99-local.conf << EOF;
+service auth {
+  unix_listener /var/spool/postfix/private/auth {
+    mode = 0666
+    user = postfix
+    group = postfix
+  }
+}
 service lmtp {
   unix_listener /var/spool/postfix/private/dovecot-lmtp {
     user = postfix
diff --git a/scripts/spamassassin.sh b/scripts/spamassassin.sh
index 6a8ebc4..2f19ee9 100644
--- a/scripts/spamassassin.sh
+++ b/scripts/spamassassin.sh
@@ -1,6 +1,6 @@
 # Spam filtering with spamassassin via spampd.
 
-apt-get -q -y install spampd dovecot-antispam
+apt-get -q -y install spampd dovecot-sieve dovecot-antispam
 
 # Hook into postfix. Replace dovecot with spampd as the mail delivery agent.
 tools/editconf.py /etc/postfix/main.cf virtual_transport=lmtp:[127.0.0.1]:10025
diff --git a/scripts/start.sh b/scripts/start.sh
index 2afd372..2fed598 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -48,3 +48,5 @@ EOF
 . scripts/dns_update.sh
 . scripts/add_mail_user.sh
 . scripts/users_update.sh
+. scripts/web.sh
+
diff --git a/tests/imap.py b/tests/imap.py
old mode 100644
new mode 100755
index af3442a..167a1b5
--- a/tests/imap.py
+++ b/tests/imap.py
@@ -1,11 +1,16 @@
-import imaplib, os
+#!/usr/bin/python3
+import imaplib, sys
 
-username = "testuser@" + os.environ.get("DOMAIN", "testdomain.com")
+if len(sys.argv) < 3:
+	print("Usage: tests/imap.py host username password")
+	sys.exit(1)
 
-M = imaplib.IMAP4_SSL(os.environ["INSTANCE_IP"])
-M.login(username, "testpw")
-M.select()
+host, username, pw = sys.argv[1:4]
+
+M = imaplib.IMAP4_SSL(host)
+M.login(username, pw)
 print("Login successful.")
+M.select()
 typ, data = M.search(None, 'ALL')
 for num in data[0].split():
     typ, data = M.fetch(num, '(RFC822)')
diff --git a/tests/smtp_submission.py b/tests/smtp_submission.py
old mode 100644
new mode 100755
index ba3f0b0..e2cf455
--- a/tests/smtp_submission.py
+++ b/tests/smtp_submission.py
@@ -1,16 +1,22 @@
-import smtplib, sys, os
+#!/usr/bin/python3
+import smtplib, sys
 
-fromaddr = "testuser@" + os.environ.get("DOMAIN", "testdomain.com")
+if len(sys.argv) < 3:
+        print("Usage: tests/smtp_submission.py host email.from pw  email.to")
+        sys.exit(1)
 
+host, fromaddr, pw, toaddr = sys.argv[1:5]
 msg = """From: %s
 To: %s
+Subject: SMTP server test
 
-This is a test message.""" % (fromaddr, sys.argv[1])
+This is a test message.""" % (fromaddr, toaddr)
 
-server = smtplib.SMTP(os.environ["INSTANCE_IP"], 587)
+server = smtplib.SMTP(host, 587)
 server.set_debuglevel(1)
 server.starttls()
-server.login(fromaddr, "testpw")
-server.sendmail(fromaddr, [sys.argv[1]], msg)
+server.login(fromaddr, pw)
+server.sendmail(fromaddr, [toaddr], msg)
 server.quit()
 
+