How to cancel an e-mail thats already sent?
If you sending an mail through the free web services, you can’t. Recalling a message requires cooperation from the recipient’s mail server. There is no standard protocol to recall a message. For example, Microsoft Exchange servers support an Outlook user recalling a message. That only works if both the sender and recipient use Microsoft Exchange servers as thier mail servers, both mail servers are configured to work together and both the sender and recipient use Microsoft e-mail clients that support that functionality. That means you typically can only do this if both of you work for the same corporation. If the recipient uses a non-compatible e-mail client it never sees the recall request. If the recipient uses Outlook you still can’t force a recall of the message if they’ve already read it. The details vary with other manufacturers’ products, but it always requires both the sender and the recipient to use special software.
If you sending an mail through the free web services, you can’t. Recalling a message requires cooperation from the recipient’s mail server. There is no standard protocol to recall a message. For example, Microsoft Exchange servers support an Outlook user recalling a message. That only works if both the sender and recipient use Microsoft Exchange servers as thier mail servers, both mail servers are configured to work together and both the sender and recipient use Microsoft e-mail clients that support that functionality. That means you typically can only do this if both of you work for the same corporation. If the recipient uses a non-compatible e-mail client it never sees the recall request. If the recipient uses Outlook you still can’t force a recall of the message if they’ve already read it. The details vary with other manufacturers’ products, but it always requires both the sender and the recipient to use special software. There is a commercial service that you can configure like a S
