Harald, can you please try [Thunderbird support](https://support.mozilla.org/en-US/questions/new/thunderbird/form) first ? Note that if me@example.com is also a CC recipient of the sent message, auto-BCC me@example.com may not be added (by design). - Exact version `≡ > Help > About Thunderbird`? - POP or IMAP? - Problem occurs with `≡ > Help > Troubleshoot Mode…`? - Did you use the 'From' dropdown in Write window to choose sender?
Bug 1779399 Comment 1 Edit History
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Harald, can you please try [Thunderbird support](https://support.mozilla.org/en-US/questions/new/thunderbird/form) first ? Note that if me@example.com is also a CC recipient of the sent message, auto-BCC me@example.com may not be added (by design). - Exact version `≡ > Help > About Thunderbird`? - POP or IMAP? - Problem occurs with `≡ > Help > Troubleshoot Mode…`? - Did you use the 'From' dropdown in Write window to choose sender? - Did the auto-cc address appear in Write window's Bcc field? - Please add proper steps to reproduce, each thing you did before sending in numbered list.