Check host in the HELO command, bag.

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mns17
Normal user
Normal user
Posts: 124
Joined: 2008-06-18 11:13

Check host in the HELO command, bag.

Post by mns17 » 2011-04-14 07:45

Hi, All!

hMailServer 5.3.3 - Build 1879

Code: Select all

nslookup -q=mx ext.bfk.ru
ext.bfk.ru      MX preference = 50, mail exchanger = mx.ext.bfk.ru
ext.bfk.ru      MX preference = 10, mail exchanger = mx1.ext.bfk.ru

mx.ext.bfk.ru   internet address = 87.103.243.163
mx1.ext.bfk.ru  internet address = 195.189.218.194
Logs hmailserver:

Code: Select all

"SMTPD"	4968	29037	"2011-04-14 11:52:15.807"	"195.189.218.194"	"SENT: 220 smtp domain.ru server ready"
"SMTPD"	4332	29037	"2011-04-14 11:52:15.807"	"195.189.218.194"	"RECEIVED: EHLO mx.ext.bfk.ru"
"SMTPD"	4332	29037	"2011-04-14 11:52:15.807"	"195.189.218.194"	"SENT: 250-mail.domain.ru[nl]250-SIZE 51200000[nl]250 AUTH LOGIN PLAIN"
"SMTPD"	4516	29037	"2011-04-14 11:52:15.823"	"195.189.218.194"	"RECEIVED: MAIL FROM:<user@ext.bfk.ru> SIZE=121059"
"SMTPD"	4516	29037	"2011-04-14 11:52:15.823"	"195.189.218.194"	"SENT: 250 OK"
"SMTPD"	3060	29037	"2011-04-14 11:52:15.839"	"195.189.218.194"	"RECEIVED: RCPT TO:<user@domain.ru>"
"SMTPD"	3060	29037	"2011-04-14 11:52:16.698"	"195.189.218.194"	"SENT: 550 The host name specified in HELO does not match IP address.""SMTPD"	2984	29037	"2011-04-14 11:52:16.698"	"195.189.218.194"	"RECEIVED: QUIT"
"SMTPD"	2984	29037	"2011-04-14 11:52:16.698"	"195.189.218.194"	"SENT: 221 goodbye"
"SMTPD"	4968	29038	"2011-04-14 11:52:16.698"	"195.189.218.194"	"SENT: 220 smtp mail.ru server ready"

But 195.189.218.194 - it`s a mx1.ext.bfk.ru !!!

^DooM^
Site Admin
Posts: 13861
Joined: 2005-07-29 16:18
Location: UK

Re: Check host in the HELO command, bag.

Post by ^DooM^ » 2011-04-14 11:15

mns17 wrote:But 195.189.218.194 - it`s a mx1.ext.bfk.ru !!!
And it sent EHLO mx.ext.bfk.ru

Disable host in helo check or raise delete score.
If at first you don't succeed, bomb disposal probably isn't for you! ヅ

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