如果发件人的发信标题是以下关键字将被系统过滤，接收人将无法收到此邮件，发件人也不会收到任何邮箱服务器退信通知。
具体关键字为：
Re
hello
hi
test
Hi
Hello
Test
Error
Status
warning
stolen
something for you
information
read it immediately
fake
unknown
Information
Thank you!
Document
Congratulations!
Your day
Internet Provider Abuse
report
Is that your password?
Illegal Website
I love you!
Administrator
Protected Mail System
Mail Authentication
Postcard
Notice again
Mail Account
You cannot do that!
Shocking document
0i09u5rug08r89589gjrg
Important m$6h?3p
I cannot forget you!
Fwd
Spamed?
Important
Private document
Do you?
News
Does it matter?
Stolen document
important
Spam
info
Question
illegal...
error
I'm back!
take it
private?
hey
notice!
what's up?
fake?
moin
its me
dear
excuse me
oh
notification
Delivery Failed
believe me
Here is it
lol
you?
good morning
read it immediatelly
denied!
Yep
trust me
last chance!
exception
Letter
application
here
Pictures
Picture
corrected
improved
approved
thanks!
Numbers
patched
reply
Order
More samples
Privacy
Money
Funny
Only love?
Illegal
Found
Password
Text
Criminal
Hurts
Wow
Correction
Your details
Stolen
My details
Your information
Your document
Request
does it belong to you?
Approved
text
Escalation
product
your are naked?
really?
is that true?
you have a sexy body in the pic!
who?
xxx about you?
what?
excellent!
does it matter?
child porn?
my advice....
File is self-decryting.
your body?
classroom test of you?
xxx ?
doc about me?
do you have an orgasm in the picture?
bill
be mad?
your TAN number?
what still?
here is the $%%454$
do you have the bug also?
I wait for an answer!
kill the writer of this document!
its private from me
i've found it about you
here is the document.
account?
abuse?
Your bill.

you are sexy in this doc!
that is interesting...
such as yours?
forgotten?
do not open the attachment!
read the details.
modifications?
lets talk about it!
i am speachless about your document!
do you have?
are you the naked one?

you look like an ape!
this is nothing for kids!
test it
only encrypted!
i hope thats not true!
do not use my document!
do not give up!
did you know from this document?
correct it!
are you a teacherin the picture?
You are infected. Read the details!

your hero in the picture?
you are bad
something is going wrong!
instruct me about this!
her.
do you know this????
do not visit the pages on the list I sent!
a crazy doc about you
I don't know your document!
File is bad.
xxx service
what do you think about it?
read it immediately!
poor quality!
never!
illegal st. of you?

possible?
old photos about you?
misc. and so on. see you!
in your mind?
i want more...
i wait for your comment about it.
i have received this.
are you a photographer?
File is damaged.