Preventing recipient from seeing the default mail when sending from a different account than the default in Gmail


When sending mail from a different account (say than my default in Gmail (say, when someone reply to me I can see that my is mentioned in the conversation along with

For example:

From: on behalf of

Also, I tried to send myself mail to from (through alpha account) and when clicking the show original in the message I can see my there.

When I send mails from I don't want the recipient to know about Is there any way to prevent that from happening other than logging out from alpha and logging in to beta?

Best Answer

Remove "Treat as an Alias" setting

Go into settings -> accounts tab
Find the affected email address and click "edit info"
Uncheck "Treat as an alias"
Depending on the email address you are using, you may now need to configure it to send through gmail.