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What is "smime.p7s" that is attached to the email from Seven Bank?
It is an electronic signature that is assigned to the email to ensure security.
The electronic signature is attached to the email under the file name "smime.p7s" when using certain email software that does not support the electronic signature.
In this situation, the electronic signature cannot be confirmed even if the attached file is opened.
The electronic signature is attached to the email under the file name "smime.p7s" when using certain email software that does not support the electronic signature.
In this situation, the electronic signature cannot be confirmed even if the attached file is opened.
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