Presentation 2014-02-27
An Efficient Judging Method of a Large Amount of E-mails Having the Same Sender and Recipient Addresses
Yoshiharu TSUZAKI, Ryosuke MATSUMOTO, Daisuke KOTANI, Shuichi MIYAZAKI, Yasuo OKABE,
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Abstract(in English) With the wide use of e-mail, it has become commonly expected that e-mails are delivered to recipients immediately. It is not rare that a huge amount of e-mails are delivered to a mail transfer system in a very short time unintentionally. Such e-mails sometimes causes excessive load to the system and to increase traffic of network, and e-mails are delivered with serious delay in such situations. We propose a mail transfer system to detect efficiently such e-mail with each pair of envelope-from and envelope-to address managed by a hash table. In proposed system, the number of each pair envelope-from and envelope-to address is counted, and if the number of the delivery including a specific pair (envelope-from, envelope-to address) during a short period exceeds a pre-specified threshold, we regard this pair as a cause of a huge amount of e-mails. We prepare multiple hash tables which managed envelope-from and envelope-to address to prevent an increase in scale of the hash table, and we divide such hash tables every time and empty all entries at fixed intervals. We also prepare for the blocklist to judge a huge amount of e-mails beforehand. We implement the proposed system and evaluate it.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Mail Transfer / Hash Table / envelope-from address / envelope-to address
Paper # SITE2013-62,IA2013-87
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Committee IA
Conference Date 2014/2/20(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Efficient Judging Method of a Large Amount of E-mails Having the Same Sender and Recipient Addresses
Sub Title (in English)
Keyword(1) Mail Transfer
Keyword(2) Hash Table
Keyword(3) envelope-from address
Keyword(4) envelope-to address
1st Author's Name Yoshiharu TSUZAKI
1st Author's Affiliation Graduate School of Informatics, Kyoto University()
2nd Author's Name Ryosuke MATSUMOTO
2nd Author's Affiliation Graduate School of Informatics, Kyoto University
3rd Author's Name Daisuke KOTANI
3rd Author's Affiliation Graduate School of Informatics, Kyoto University
4th Author's Name Shuichi MIYAZAKI
4th Author's Affiliation Academic Center for Computing and Media Studies, Kyoto University
5th Author's Name Yasuo OKABE
5th Author's Affiliation Academic Center for Computing and Media Studies, Kyoto University
Date 2014-02-27
Paper # SITE2013-62,IA2013-87
Volume (vol) vol.113
Number (no) 443
Page pp.pp.-
#Pages 6
Date of Issue