Join us and the lead editor of IRL, Mozilla's multi-award-winning podcast, for a behind-the-scenes look at the pod and to contribute your ideas for the next season, themed: "AI and ME." Mark your calendar and join our Community Call on Wednesday, Aug 7, 17:00–17:45 UTC. See you there!

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

All my outgoing hotmail messages are marked 'This sender failed our fraud detection checks and may not be who they appear to be' by hotmail. Any answers ?

more options

When using Thunderbird to send Hotmail messages, the received E-Mails at the recipient are marked with 'This sender failed our fraud detection checks and may not be who they appear to be'

There is no problem sending from the same machine using direct webmail/outlook.

Outgoing config shown below

Thanks

When using Thunderbird to send Hotmail messages, the received E-Mails at the recipient are marked with 'This sender failed our fraud detection checks and may not be who they appear to be' There is no problem sending from the same machine using direct webmail/outlook. Outgoing config shown below Thanks

All Replies (1)

more options

You need to ask Hotmail what their problem with your mail is.