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Paper Abstract and Keywords
Presentation 2007-07-19 15:45
Classifying Mail Servers for Spam Control by Throttling
Makihito Mihara, Kazuyuki Yoshida (Oita Univ.) IA2007-17
Abstract (in Japanese) (See Japanese page) 
(in English) The throttling function, which replies slowly at the e-mail reception time, is very useful for controlling spasm at MTA (Mail Transfer Agent). By using this function, however, MTA is easy to become fault load, because MTA needs to maintain a SMTP connection until mail transfer completes or spam sender gives up transmission of e-mail. When huge amount of spams are sent to the MTA, MTA is not able to establish SMTP connection for normal e-mail transfer until mail processing for spams completes. With simple load balancer, there is a danger that all MTAs lapse into fault load. We describe, while the IP address of many of MTA which sends spams have no reverse record in DNS, the load sharing method with little influence on the normal mail is proposed. It was able to be confirmed to achieve the load-balancing corresponding to the number of spams, and to make the influence given to normal e-mail a minimum. Even if huge amount of spams are sent to MTA, it is able to use throttling function for spam control by this system..
Keyword (in Japanese) (See Japanese page) 
(in English) E-mail / spam control / throttling / spam / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 151, IA2007-17, pp. 43-48, July 2007.
Paper # IA2007-17 
Date of Issue 2007-07-12 (IA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee IA  
Conference Date 2007-07-19 - 2007-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) room1 (J501) on 5th floor in J bldg, Kyoto Women's University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IA 
Conference Code 2007-07-IA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Classifying Mail Servers for Spam Control by Throttling 
Sub Title (in English)  
Keyword(1) E-mail  
Keyword(2) spam control  
Keyword(3) throttling  
Keyword(4) spam  
1st Author's Name Makihito Mihara  
1st Author's Affiliation Oita University (Oita Univ.)
2nd Author's Name Kazuyuki Yoshida  
2nd Author's Affiliation Oita University (Oita Univ.)
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Speaker Author-2 
Date Time 2007-07-19 15:45:00 
Presentation Time 30 minutes 
Registration for IA 
Paper # IA2007-17 
Volume (vol) vol.107 
Number (no) no.151 
Page pp.43-48 
Date of Issue 2007-07-12 (IA) 

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