E-Mail sending not possible


I want to send and receive E-Mails via Node-RED.

the e-mail is not delivered, in my gmail mailbox comes the following error message.

554 5.7.0 Reject, id = 30906-14 - spam: This message was blocked for security reasons

Are there any options I need to set? I already have the setting to allow less secure apps already enabled

Receiving E-Mails is possible only sending an E-Mail is not possible

Try the answer given here

It works now.