MailApp.sendEmail - 550 Rejected by header based Anti-Spoofing policy

[Enrico Tarantino]

Hi everybody,

from saturday when i try to send multi email with MailApp.sendEmail tag, it returns me back the following error mex 

The error that the other server returned was:

550 Rejected by header based Anti-Spoofing policy: enrico@*****.com - https://protect-eu.mimecast.com/s/6DWMBu7O6kMUb?domain=community.mimecast.com

From last avril to last friday this error mex not appeared, why?

ty.

[Jaren Callo (AdWords Scripts Team)]

Hi Enrico,

Kindly send your CID (reply privately to the author) along with the name of the script so that we can investigate on this?

Thanks,

Jaren P. Callo

AdWords Scripts Team

[Jaren Callo (AdWords Scripts Team)]

Hi Enrico,

Checking on the error code 550, it seems that the email address provided was caught on the Anti-Spoofing policy. The URL you provided has information on what caused the issue and suggested resolution. I suggest you go through the link and follow the resolution to prevent this from happening again.

Thanks,

Jaren P. Callo

AdWords Scripts Team