Examples of bounced email notifications are attached to this article.
Bounce Notifications going to Spam/Junk Inbox
Forwarded 'bounce' or 'blocked' messages from Arlo's provider 'Sendgrid' are labelled as being from "MAILER-DAEMON" and these can sometimes be filtered out at mail gateways as spam or otherwise unwanted content. This means that even though all other Arlo (and Sendgrid) settings may be correct, you are still not receiving notifications of bounced emails.
- Your IT team check to see if these messages are being blocked by your email gateway and if so, update the rule that is causing the issue.
- Alternatively, set up a new mailbox (e.g. 'bounce@<yourdomainname>' ) that is specifically configured to bypass any filtering and add you to the distribution list for it. Once this is set up, ask Arlo Support to reconfigure the bounced email notifications to be sent to this address.
Receiving Some Bounce Notifications
Not all invalid email addresses will trigger a bounce notification to you, depending on how the recipient's mail server is set up.
Email servers can be set up so that if a spammer is to try emailing random email addresses at their domain, e.g. firstname.lastname@example.org, the server will not send a bounce notification which would validate that email address to the spammer. This is quite common and will affect a number of users who have misspelled their name in the email address.
Where the domain is wrong, e.g. email@example.com, this will generally send a bounce notification.
Not receiving any Bounce Notifications?
Please contact Arlo Support with the email address that you want bounce notifications to be sent to, as we may have an old address on file.
Other articles that may be useful: