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Thunderbird BCC

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Thunderbird sends email and CC: very well, just recently it will not send Bcc: of the same email.

I continue to receive this message: Sending of the message failed. The message could not be sent using Outgoing server (SMTP) smtp.mail.yahoo.com for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again.

Thunderbird sends email and CC: very well, just recently it will not send Bcc: of the same email. I continue to receive this message: Sending of the message failed. The message could not be sent using Outgoing server (SMTP) smtp.mail.yahoo.com for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again.

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Hello there murrayhess We have read your message We try to help you.

Check in settings if your Smtp server for outgoing e-mail traffic is the same as Recommended.


https://support.mozilla.org/en-US/kb/manual-account-configuration

https://support.mozilla.org/en-US/kb/cannot-send-messages


Check your Smtp setting for outgoing emails.



Greetings Firefox volunteer

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