diff --git a/exim4/exim4.conf b/exim4/exim4.conf
new file mode 100644
index 0000000..6345677
--- /dev/null
+++ b/exim4/exim4.conf
@@ -0,0 +1,440 @@
+#--MACROS
+
+SMTP_PORT = 25
+LOCAL_INTERFACES = <; 0.0.0.0.25 ; 0.0.0.0.465 ; [::0]:25 ; [::0]:465
+CONFDIR = /etc/exim4
+
+LOCAL_DOMAINS = %(local_domains)s
+ETC_MAILNAME = %(mailname)s
+LOCAL_DELIVERY = mail_spool
+CHECK_RCPT_LOCAL_LOCALPARTS = ^[.] : ^.*[@%%!/|`#&?]
+CHECK_RCPT_REMOTE_LOCALPARTS = ^[./|] : ^.*[@%%!`#&?] : ^.*/\\.\\./
+
+%(dkim_enable)s
+DKIM_SELECTOR = %(dkim_selector)s
+DKIM_PRIVATE_KEY = %(dkim_private_key)s
+DKIM_CANON = relaxed
+DKIM_STRICT = 1
+
+%(tls_enable)s
+TLS_ADVERTISE_HOSTS = *
+TLS_CERTIFICATE = %(tls_certificate)s
+TLS_PRIVATEKEY = %(tls_privatekey)s
+TLS_VERIFY_CERTIFICATES = ${if exists{/etc/ssl/certs/ca-certificates.crt} {/etc/ssl/certs/ca-certificates.crt} {/dev/null}}
+
+COURIERSOCKET = %(courier_authsocket)s
+
+ACL_SMTP_MAIL = acl_check_mail
+ACL_SMTP_RCPT = acl_check_rcpt
+ACL_SMTP_DATA = acl_check_data
+
+#--CONFIGURATION
+
+hostlist relay_from_hosts = 127.0.0.1
+
+%(custom_mta_config)s
+
+daemon_smtp_ports = SMTP_PORT
+local_interfaces = LOCAL_INTERFACES
+domainlist local_domains = LOCAL_DOMAINS
+qualify_domain = ETC_MAILNAME
+
+gecos_pattern = ^([^,:]*)
+gecos_name = $1
+
+acl_smtp_mail = ACL_SMTP_MAIL
+acl_smtp_rcpt = ACL_SMTP_RCPT
+acl_smtp_data = ACL_SMTP_DATA
+
+# spamd_address = 127.0.0.1 783
+
+local_from_check = false
+local_sender_retain = true
+untrusted_set_sender = *
+
+ignore_bounce_errors_after = 2d
+timeout_frozen_after = 7d
+freeze_tell = postmaster
+spool_directory = /var/spool/exim4
+
+trusted_users = uucp
+
+.ifdef TLS_ENABLE
+tls_on_connect_ports = 465
+tls_advertise_hosts = TLS_ADVERTISE_HOSTS
+tls_certificate = TLS_CERTIFICATE
+tls_privatekey = TLS_PRIVATEKEY
+tls_verify_certificates = TLS_VERIFY_CERTIFICATES
+.endif
+
+
+begin acl
+
+%(custom_mta_acl)s
+
+acl_check_mail:
+  .ifdef CHECK_MAIL_HELO_ISSUED
+  deny
+    message = no HELO given before MAIL command
+    condition = ${if def:sender_helo_name {no}{yes}}
+  .endif
+
+  accept
+
+acl_check_rcpt:
+  accept
+    hosts = :
+    control = dkim_disable_verify
+
+  .ifdef CHECK_RCPT_LOCAL_LOCALPARTS
+  deny
+    domains = +local_domains
+    local_parts = CHECK_RCPT_LOCAL_LOCALPARTS
+    message = restricted characters in address
+  .endif
+
+  .ifdef CHECK_RCPT_REMOTE_LOCALPARTS
+  deny
+    domains = !+local_domains
+    local_parts = CHECK_RCPT_REMOTE_LOCALPARTS
+    message = restricted characters in address
+  .endif
+
+  accept
+    .ifndef CHECK_RCPT_POSTMASTER
+    local_parts = postmaster
+    .else
+    local_parts = CHECK_RCPT_POSTMASTER
+    .endif
+    domains = +local_domains
+
+  .ifdef CHECK_RCPT_VERIFY_SENDER
+  deny
+    message = Sender verification failed
+    !verify = sender
+  .endif
+
+  accept
+    authenticated = *
+    control = submission/sender_retain
+    control = dkim_disable_verify
+
+  require
+    message = relay not permitted
+    domains = +local_domains
+
+  require
+    verify = recipient
+
+  .ifdef CHECK_RCPT_SPF
+  deny
+    message = [SPF] $sender_host_address is not allowed to send mail from \
+              ${if def:sender_address_domain {$sender_address_domain}{$sender_helo_name}}.  \
+              Please see \
+          http://www.openspf.org/Why?scope=${if def:sender_address_domain \
+              {mfrom}{helo}};identity=${if def:sender_address_domain \
+              {$sender_address}{$sender_helo_name}};ip=$sender_host_address
+    log_message = SPF check failed.
+    condition = ${run{/usr/bin/spfquery.mail-spf-perl --ip \
+                   \"$sender_host_address\" --identity \
+                   ${if def:sender_address_domain \
+                       {--scope mfrom  --identity \"$sender_address\"}\
+                       {--scope helo --identity  \"$sender_helo_name\"}}}\
+                   {no}{${if eq {$runrc}{1}{yes}{no}}}}
+
+  defer
+    message = Temporary DNS error while checking SPF record.  Try again later.
+    condition = ${if eq {$runrc}{5}{yes}{no}}
+
+  warn
+    condition = ${if <={$runrc}{6}{yes}{no}}
+    add_header = Received-SPF: ${if eq {$runrc}{0}{pass}\
+                                {${if eq {$runrc}{2}{softfail}\
+                                 {${if eq {$runrc}{3}{neutral}\
+                  {${if eq {$runrc}{4}{permerror}\
+                   {${if eq {$runrc}{6}{none}{error}}}}}}}}}\
+                } client-ip=$sender_host_address; \
+                ${if def:sender_address_domain \
+                   {envelope-from=${sender_address}; }{}}\
+                helo=$sender_helo_name
+
+  warn
+    log_message = Unexpected error in SPF check.
+    condition = ${if >{$runrc}{6}{yes}{no}}
+  .endif
+
+
+  .ifdef CHECK_RCPT_IP_DNSBLS
+  warn
+    dnslists = CHECK_RCPT_IP_DNSBLS
+    add_header = X-Warning: $sender_host_address is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
+    log_message = $sender_host_address is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
+  .endif
+
+  .ifdef CHECK_RCPT_DOMAIN_DNSBLS
+  warn
+    !senders = ${if exists{CONFDIR/local_domain_dnsbl_whitelist}\
+                    {CONFDIR/local_domain_dnsbl_whitelist}\
+                    {}}
+    dnslists = CHECK_RCPT_DOMAIN_DNSBLS
+    add_header = X-Warning: $sender_address_domain is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
+    log_message = $sender_address_domain is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
+  .endif
+
+  accept
+
+
+acl_check_data:
+
+  deny
+    message = Message headers fail syntax check
+    !verify = header_syntax
+
+  accept
+
+begin routers
+
+%(custom_mta_routers)s
+
+vforward:
+  debug_print = "R: vforward for $local_part@$domain"
+  driver = redirect
+  allow_defer
+  allow_fail
+  domains = +local_domains
+  file = %(mailforward)s/$local_part@$domain
+  file_transport = address_file
+  pipe_transport = address_pipe
+  %(custom_mta_local_router)s
+
+vdomain:
+  debug_print = "R: vdomain for $local_part@$domain"
+  driver = accept
+  domains = dsearch;%(maildomains)s
+  local_parts = lsearch;%(maildomains)s/$domain
+  transport = vmail
+  %(custom_mta_local_router)s
+
+dnslookup:
+  debug_print = "R: dnslookup for $local_part@$domain"
+  driver = dnslookup
+  domains = ! +local_domains
+  transport = remote_smtp
+  headers_remove = received
+  same_domain_copy_routing = yes
+  ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
+                        172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16
+  no_more
+
+nonlocal:
+  debug_print = "R: nonlocal for $local_part@$domain"
+  driver = redirect
+  domains = ! +local_domains
+  allow_fail
+  data = :fail: Mailing to remote domains not supported
+  no_more
+
+
+COND_LOCAL_SUBMITTER = "\
+               ${if match_ip{$sender_host_address}{:@[]}\
+                    {1}{0}\
+        }"
+
+real_local:
+  debug_print = "R: real_local for $local_part@$domain"
+  driver = accept
+  domains = +local_domains
+  condition = COND_LOCAL_SUBMITTER
+  local_part_prefix = real-
+  check_local_user
+  transport = LOCAL_DELIVERY
+  %(custom_mta_local_router)s
+
+procmail:
+  debug_print = "R: procmail for $local_part@$domain"
+  driver = accept
+  domains = +local_domains
+  check_local_user
+  transport = procmail_pipe
+  # emulate OR with "if exists"-expansion
+  require_files = ${local_part}:\
+                  ${if exists{/etc/procmailrc}\
+                    {/etc/procmailrc}{${home}/.procmailrc}}:\
+                  +/usr/bin/procmail
+  no_verify
+  no_expn
+
+maildrop:
+  debug_print = "R: maildrop for $local_part@$domain"
+  driver = accept
+  domains = +local_domains
+  check_local_user
+  transport = maildrop_pipe
+  require_files = ${local_part}:${home}/.mailfilter:+/usr/bin/maildrop
+  no_verify
+  no_expn
+
+
+local_user:
+  debug_print = "R: local_user for $local_part@$domain"
+  driver = accept
+  domains = +local_domains
+  check_local_user
+  local_parts = ! root
+  transport = LOCAL_DELIVERY
+  cannot_route_message = Unknown user
+  %(custom_mta_local_router)s
+
+mail4root:
+  debug_print = "R: mail4root for $local_part@$domain"
+  driver = redirect
+  domains = +local_domains
+  data = /var/mail/mail
+  file_transport = address_file
+  local_parts = root
+  user = mail
+  group = mail
+  %(custom_mta_local_router)s
+
+
+begin transports
+
+%(custom_mta_transports)s
+
+
+vmail:
+  debug_print = "T: vmail for $local_part@$domain"
+  driver = appendfile
+  user = mail
+  maildir_format = true
+  directory = %(mailroot)s/$domain/$local_part
+  create_directory
+  delivery_date_add
+  envelope_to_add
+  return_path_add
+  group = mail
+  mode = 0600
+
+mail_spool:
+  debug_print = "T: appendfile for $local_part@$domain"
+  driver = appendfile
+  file = /var/mail/$local_part
+  delivery_date_add
+  envelope_to_add
+  return_path_add
+  group = mail
+  mode = 0660
+  mode_fail_narrower = false
+
+maildir_home:
+  debug_print = "T: maildir_home for $local_part@$domain"
+  driver = appendfile
+  .ifdef MAILDIR_HOME_MAILDIR_LOCATION
+  directory = MAILDIR_HOME_MAILDIR_LOCATION
+  .else
+  directory = $home/Maildir
+  .endif
+  .ifdef MAILDIR_HOME_CREATE_DIRECTORY
+  create_directory
+  .endif
+  .ifdef MAILDIR_HOME_CREATE_FILE
+  create_file = MAILDIR_HOME_CREATE_FILE
+  .endif
+  delivery_date_add
+  envelope_to_add
+  return_path_add
+  maildir_format
+  .ifdef MAILDIR_HOME_DIRECTORY_MODE
+  directory_mode = MAILDIR_HOME_DIRECTORY_MODE
+  .else
+  directory_mode = 0700
+  .endif
+  .ifdef MAILDIR_HOME_MODE
+  mode = MAILDIR_HOME_MODE
+  .else
+  mode = 0600
+  .endif
+  mode_fail_narrower = false
+
+maildrop_pipe:
+  debug_print = "T: maildrop_pipe for $local_part@$domain"
+  driver = pipe
+  path = "/bin:/usr/bin:/usr/local/bin"
+  command = "/usr/bin/maildrop"
+  return_path_add
+  delivery_date_add
+  envelope_to_add
+
+procmail_pipe:
+  debug_print = "T: procmail_pipe for $local_part@$domain"
+  driver = pipe
+  path = "/bin:/usr/bin:/usr/local/bin"
+  command = "/usr/bin/procmail"
+  return_path_add
+  delivery_date_add
+  envelope_to_add
+
+remote_smtp:
+  debug_print = "T: remote_smtp for $local_part@$domain"
+  driver = smtp
+  .ifdef DKIM_ENABLE
+    dkim_domain = $sender_address_domain
+    .ifdef DKIM_SELECTOR
+    dkim_selector = DKIM_SELECTOR
+    .endif
+    .ifdef DKIM_PRIVATE_KEY
+    dkim_private_key = DKIM_PRIVATE_KEY
+    .endif
+    .ifdef DKIM_CANON
+    dkim_canon = DKIM_CANON
+    .endif
+    .ifdef DKIM_STRICT
+    dkim_strict = DKIM_STRICT
+    .endif
+    .ifdef DKIM_SIGN_HEADERS
+    dkim_sign_headers = DKIM_SIGN_HEADERS
+    .endif
+  .endif
+
+address_file:
+  debug_print = "T: address_file for $local_part@$domain"
+  driver = appendfile
+  delivery_date_add
+  envelope_to_add
+  return_path_add
+
+address_pipe:
+  debug_print = "T: address_pipe for $local_part@$domain"
+  driver = pipe
+  return_fail_output
+
+address_reply:
+  debug_print = "T: autoreply for $local_part@$domain"
+  driver = autoreply
+
+
+
+begin retry
+*                      *           F,2h,15m; G,16h,1h,1.5; F,4d,6h
+
+
+begin rewrite
+
+begin authenticators
+
+login:
+  driver = plaintext
+  public_name = LOGIN
+  server_prompts = Username:: : Password::
+  server_condition = ${extract {address} {${readsocket{COURIERSOCKET} \
+      {AUTH ${strlen:exim\nlogin\n$1\n$2\n}\nexim\nlogin\n$1\n$2\n} }} {yes} fail}
+  server_set_id = $1
+
+plain:
+  driver = plaintext
+  public_name = PLAIN
+  server_prompts = :
+  server_condition = ${extract {address} {${readsocket{COURIERSOCKET} \
+      {AUTH ${strlen:exim\nlogin\n$2\n$3\n}\nexim\nlogin\n$2\n$3\n} }} {yes} fail}
+  server_set_id = $2
+  server_advertise_condition = ${if eq{$tls_cipher}{} {no} {yes}}
diff --git a/mailserver.sh b/mailserver.sh
index ac5c5ae..6b1da94 100755
--- a/mailserver.sh
+++ b/mailserver.sh
@@ -6,15 +6,24 @@ usage(){
     echo "install: install exim/courier mail server"
 }
 
-RED="\033[91m"
-STD="\033[0m"
-YEL="\033[93m"
+RED="\e[91m"
+GRE="\e[92m"
+YEL="\e[93m"
+STD="\e[0m"
 
 [[ $# -lt 1 ]] && usage
 [[ $1 == "help" ]] && usage
 [[ $EUID -ne 0 ]] && echo -e "${RED}This script must be run as root.${STD}" && exit 1
 
+install_exim_ask_domain() {
+    echo -e "${GRE}Please enter the mail server's main domain${STD}"
+    read choice
+    [[ -n $choice ]] && echo $choice > /etc/mailname
+    [[ -z $choice ]] && install_exim_ask_domain
+}
+
 install_exim() {
+    install_exim_ask_domain
     echo -e "${YEL}Two boxes will appear. Hit [Enter] each time to continue.${STD}"
     echo "Press [Enter] key to continue..."
     aptitude -y install exim4 courier-imap courier-imap-ssl courier-pop courier-pop-ssl courier-authlib-userdb