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2013 International Conference on Signal-Image Technology & Internet-Based Systems (2013)
Kyoto, Japan Japan
Dec. 2, 2013 to Dec. 5, 2013
pp: 896-900
ABSTRACT
With the wide use of e-mail, it has become commonly expected that e-mails sent are delivered to recipients immediately. It is not rare that a huge amount of emails are posted to a mail transfer system in very short time unintentionally, due to misconfiguration such as an e-mail loop. Such e-mail flood increases the load of the mail transfer system, and causes serious delays in e-mail delivery of the system. We propose a mail transfer system with resiliency against e-mail flood. In the proposed system, the number of each pair of envelope-from and envelope-to is counted. If the number of sessions including a specific pair (envelope-from, envelope-to) during a short period exceeds a pre-specified threshold, we regard this pair as a cause of a huge amount of e-mails, and reject e-mails including this pair after that. By this way, a huge amount of e-mails are selectively restricted without affecting transfer of ordinary e-mails.
INDEX TERMS
Postal services, Electronic mail, Indexes, Floods, Educational institutions, Delays, Servers
CITATION

Y. Tsuzaki, R. Matsumoto, D. Kotani, S. Miyazaki and Y. Okabe, "A Mail Transfer System Selectively Restricting a Huge Amount of E-Mails," 2013 International Conference on Signal-Image Technology & Internet-Based Systems(SITIS), Kyoto, Japan Japan, 2014, pp. 896-900.
doi:10.1109/SITIS.2013.146
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