ipfw

[El DaEm0n]

hi everyone im a newbie in IPFW i have a problem so i would explain you:

im running phpnuke in my webserver,

before, i can send mails automaticly from my server when the users  
registered in the portal  using sendmail  ,but, after i installed of IPFW 
does not leave the messages

this is my rules:

deny icmp from any to me icmptypes 8
deny ip from any to 127.0.0.0/8
deny ip from 127.0.0.0/8 to any
allow ip from any to any
deny ip from any to any

and i added this to my kernel

options RANDOM_IP_ID
options TCP_DROP_SYNFIN
options IPSTEALTH

can somedoby help me?? and tell how can fix this problem?
thank´s

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