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If a person sends an e-mail to 10 people and one of the e-mail addresses is invalid, does the message still get sent to the other 9?

April 26, 2017addresses e-mail invalid message people person sent

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If a person sends an e-mail to 10 people and one of the e-mail addresses is invalid, does the message still get sent to the other 9?

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Probably the message will be sent to the 9 valid email addresses. This is actually the responsibility of the specific e-mail server that is being used. Typically SMTP servers will try to send the message to all 10 e-mail addresses, and they will find out about the invalid address later on. Depending on the configuration of the local (and destination) e-mail server it could take a while before the mistake is noticed and an non-delivery message will be returned for the invalid e-mail address.