We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Thunderbird Not sending emails when all recipients are Bcc

  • 1 reply
  • 1 has this problem
  • 30 views
  • Last reply by david

TERRY
TERRY
more options

I am using Thunderbird 91.7.0 with windows 10. Thunderbird will not send emails when all of the addressees are listed under Bcc. I receive the following message: "The message could not be sent using Outgoing server (SMTP) outbound.att.net for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again." The sever setting is 465. If there is an email address listed under To: then the email will send to those listed under Bcc. This issue just started on 3-25-22.

Help Please. Thx Terry

I am using Thunderbird 91.7.0 with windows 10. Thunderbird will not send emails when all of the addressees are listed under Bcc. I receive the following message: "The message could not be sent using Outgoing server (SMTP) outbound.att.net for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again." The sever setting is 465. If there is an email address listed under To: then the email will send to those listed under Bcc. This issue just started on 3-25-22. Help Please. Thx Terry

All Replies (1)

david
david
  • Top 10 Contributor
more options

Include your own email id in TO: and it should work.