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											Beijing Express Maillist Verify 
											- 
											Version 
											2.0 
											Beijing Express Maillist Verify 1.0  is intended for e-
mail addresses and mail lists verifying. The main task 
is to determine which of addresses in the mail list 
are dead. The program is oriented, basically, on 
programmers which have their own mail lists to inform 
their users about new versions of their programs.
The program works on the same algorithm as ISP mail 
systems do. Mail servers addresses for specified 
address are extracted from DNS. The program tries to 
connect with found SMTP-servers and simulates the 
sending of message. It does not come to the message 
sending ?a EMV disconnect as soon as mail server 
informs does this address exist or not. EMV can find 
about 90% of dead addresses ?a some mail systems 
receive all messages and only then see their addresses 
and if the address is dead send the message back with 
remark about it. |