Mail server, mail transmitting/receiving method, and mail transmitting/receiving program

An email deletion method for deleting a transmitted email transmitted from an email server by a sender, the email server being used for a transmission/reception service of an email transmitted/received by a client terminal, the email deletion method comprising:

• storing identification information of an email and identification information of at least one receiver of that email, the email being requested to be deleted by a sender;
• and
• updating, for the email server, a process for deleting an email from a reception email area of the receiver based on the stored identification information of the email and the stored identification information of the receiver, the email being identified by the identification information of the email and the identification information of the receiver,
• wherein a deletion schedule of the email, deletion of which has been requested, is generated at a specific date/time based on a specific character string in which the sender adds deletion of the email in a content of the email, and the process of deleting the email from the reception email area of the receiver is updated, for the email server, according to the generated deletion schedule.

A non-transitory computer readable medium storing an email deletion program for causing a computer to execute an email deletion method for deleting a transmitted email transmitted from an email server by a sender, the email server being used for a transmission/reception service of an email transmitted/received by a client terminal, the email deletion program causing the computer to execute a process comprising:

• storing identification information of an email and identification information of at least one receiver of that email, the email being requested to be deleted by a sender;
• and
• updating, for the email server, a process for deleting an email from a reception email area of the receiver based on the stored identification information of the email and the stored identification information of the receiver, the email being identified by the identification information of the email and the identification information of the receiver,
• wherein the email deletion program causes the computer to generate a deletion schedule of the email, the deletion of which has been requested, at a specific date/time based on a specific character string in which the sender adds deletion of the email in a content of the email, and update, for the email server, the process of deleting the email from the reception email area of the receiver according to the generated deletion schedule.