I need some help verifying and cleaning up my Cisco PIX 501 Config

Hi, ive configured a Cisco PIX 501 and I have done my best to get it right. I havent tested it yet, because I have no way of testing this until we migrate the lines and connection. So, therefore im seeking some help and advice wether my configuration is correct or if im missing something.

Ive configured inside/outside, access-lists, an Internal Exchange server wich should recieve e-mails at port 25, Ive configured vpngroup and vpn users.

I allso need help removing/cleaning the configuration file, so that its as neat as possible, but I dont know exactly what I can remove... Below is my initial configuration and I would really love that a Cisco tech with great knowledge like alot of you in this forum have, to lay eyes on this and help me get it right.

PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
hostname pix
domain-name xxxx.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
name 192.168.2.253 Exchange
name 192.168.2.2 my name
access-list vpnn2it_splitTunnelAcl permit ip any any
access-list vpnn2it_splitTunnelAcl permit ip 192.168.2.0 255.255.255.0 any
access-list inside_outbound_nat0_acl permit ip any 192.168.100.0 255.255.255.240
access-list inside_outbound_nat0_acl permit ip 192.168.2.0 255.255.255.0 192.168.100.0 255.255.255.240
access-list outside_cryptomap_dyn_20 permit ip any 192.168.100.0 255.255.255.240
access-list outside_access_in permit tcp interface outside host Exchange eq smtp
pager lines 24
mtu outside 1500
mtu inside 1500
ip address outside 80.80.80.154 255.255.255.0
ip address inside 192.168.2.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
ip local pool vpnpool 192.168.100.1-192.168.100.10
pdm location 192.168.2.2 255.255.255.255 inside
pdm history enable
arp timeout 14400
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 0 0.0.0.0 0.0.0.0 0 0
static (inside,outside) tcp interface smtp Exchange smtp netmask 255.255.255.255 0 0
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
http server enable
http my name 255.255.255.255 outside
http 192.168.2.2 255.255.255.255 inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-ipsec
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto dynamic-map outside_dyn_map 20 match address outside_cryptomap_dyn_20
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-MD5
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map client authentication LOCAL
crypto map outside_map interface outside
isakmp enable outside
isakmp policy 20 authentication pre-share
isakmp policy 20 encryption 3des
isakmp policy 20 hash md5
isakmp policy 20 group 2
isakmp policy 20 lifetime 86400
vpngroup vpngroup address-pool vpnpool
vpngroup vpngroup dns-server 192.168.2.254
vpngroup vpngroup default-domain xxxx.com
vpngroup vpngroup split-tunnel vpnn2it_splitTunnelAcl
vpngroup vpngroup idle-time 1800
vpngroup vpngroup password ********
telnet timeout 5
ssh timeout 5
console timeout 0
username vpnuser1 password xxxxxxxxxxxxxxxx encrypted privilege 15
username vpnuser2 password xxxxxxxxxxxxxxxx encrypted privilege 5
terminal width 80
Cryptochecksum:xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

I hope to hear from you, and many thanks.