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When I use Thunderbird to send to outlook.com, it ignores the BCC, so how to I stop it?

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  • Last reply by Zenos

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I use Thunderbird for my personal e-Mails and Outlook.com for others. When I use Thunderbird to sent to Outlook.com, I use BCC, but it always seems to reveal the addresses of all the people I send to. At first I thought I simply forgot, but when I look in the sent box, there are two messages, one sent with BCC and one without. Any suggestions?

I use Thunderbird for my personal e-Mails and Outlook.com for others. When I use Thunderbird to sent to Outlook.com, I use BCC, but it always seems to reveal the addresses of all the people I send to. At first I thought I simply forgot, but when I look in the sent box, there are two messages, one sent with BCC and one without. Any suggestions?

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"I use Thunderbird for my personal e-Mails" doesn't make any real sense. Thunderbird is just an email client. What is perhaps more important here is which providers you use for the "personal" email messages.