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How can Mail Delivery Subsystem-mailer-daemon@googlemail.com keep sending my emails back when I know the addresses are correct? They are going through a hospital’s emailing systems?

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Kate DubenskyTroubleshooting Mail Delivery Sub-System Mailer Daemon

About Mailer Daemon and Returned Emails.

Usually when an email is returned with this error message it means that the email address is entered incorrectly - possibly spelled wrong or with a .net instead of a .com - or it could mean that the account that you are sending to no longer exists. The mailer-daemon message is actually from your own email server, not from the intended recipient, and is informing you that the message is undeliverable. It is sometimes the case that the intended recipient's email inbox is full as so the message is returned.

Possible Routing Issues and Internet Access Restrictions

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Another possible cause of the mailer daemon error message return might be a routing problem. For example, it is possible that the organization from which you are sending the email might have some restrictions on its email or Internet access. For example, many businesses and organizations create limits on their Internet access that might be interfering with your emails. Some companies impose limits like these to restrict the amount of time that their employees can spend on non-work related Internet use. Also, some public entities limit Internet access to sites deemed inappropriate for reasons of propriety, safety or liability. To get to the bottom of your email errors you can try sending an email to the same address from a different location and see if it goes through. If it does, it means that the problem was with the location you were sending from.

Restricted Domain Names

Another possibility is that your domain name could be blacklisted, in which case no messages from that address will be admitted. Blacklists are created to restrict emails from the addresses and domains of known spammers. Other organizations are sometimes blacklisted due to security restrictions, if they are known to be vulnerable to Spyware and other dangerous malware programs. It is possible that your email address has been blocked by the address that you are attempting to send to.

Try Sending from Different Locations

The hospital where you work might have some Internet or email restrictions that are preventing your messages from getting through, or there could be a blacklist from the hospital against any government agency or public office for reasons of security. The only way to get to the bottom of your problem is to try the same addresses from a different location, or to different addresses from the same location and see what works.

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5 Responses to “How can Mail Delivery Subsystem-mailer-daemon@googlemail.com keep sending my emails back when I know the addresses are correct? They are going through a hospital’s emailing systems?”

  1. 001   barry rohde

    Thank you for your advice. How do you find out if you've been blacklisted,and by what address?

    Hi Barry, Here is a link to a service that will scan your IP for blacklists. http://www.mxtoolbox.com/blacklists.aspx I hope it helps.
    Best, Kate.

  2. 002   Shoaib

    Google is sending me mails regularly showing failure to deliver.
    its now a year passing and they have not stopped it. how to stop them.

  3. 003   Celeste Stewart

    Shoaib,
    Hello, here's some information that should help
    http://filetonic.com/blog/2010/02/10/failure-to-deliver-email/
    Thank you! The Filetonic Team. Follow us on: www.Twitter.com/Filetonic

  4. 004   hakan

    constantly receiving 'mailer-daemon@googlemail.com' emails but I haven't got an google mail account! I don't know how to stop them, can you help ??
    Technical details of permanent failure:
    Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 Requested action not taken: mailbox unavailable (state 14).

  5. 005   Celeste Stewart

    Hakan,
    Hello, here's some information that should help:
    http://filetonic.com/blog/2010/05/24/google-mailer-daemon/
    Thank you! The Filetonic Team. Follow us on: www.Twitter.com/Filetonic

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