Sending e-mails…

This might be well-known, but it wasn’t to me…

They say you learn either on other’s or your own mistakes. I had to send 20-30 e-mails using business e-mail address. I have configured that e-mail in my primary Gmail account, so I can send them from there. I thought it’s secure, and that it really shows as if you’re sending from some other address. But I was wrong.

One reply I received quoted my mail and had this:

From: my@primary.email On Behalf Of my@business.email

After further testing, I have found out that there are two headers in the e-mail message sent the way I did. One is From field, which contains the address that appears when e-mail is presented to the receiver. But there is the Sender field, which shows the actual address that is used to send the e-mail. It is easily accessible. If you’re using Thunderbird, just press Ctrl+U to see the source of the message, and there will be those two fields.

I suppose this is done in order to prevent spam and fake e-mails, but I felt a bit unpleasant when I found that out. Like all of other contacts now know my private e-mail address… Oh, well. Life goes on, and I have learned something new.

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