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When I type in a new e-mail address, it turns red and then I cannot send the e-mail. How do I turn off that 'red' option, thanks

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When I type in a new e-mail address, i.e. a e-mail not in my addressbook, then it turns red, and then I cannot send the e-mail. Is there a option to turn this 'red' option off, thank you very much.

When I type in a new e-mail address, i.e. a e-mail not in my addressbook, then it turns red, and then I cannot send the e-mail. Is there a option to turn this 'red' option off, thank you very much.

Modified by Bertius

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Red font indicates the address is not in your address book so Thunderbird is working as designed. There is no on/off switch for this.

This normally does not prevent the message from being sent. What prevents you from sending?