Remote host said: 550 #5.1.0 Address rejected.

glamo used Ask the Experts™
Hi, helping a user with his email account (gmail account). when anyone tries to send to his email account they will get a kickback message. He can send out but no one in.
Here is kickback message:

Hi. This is the qmail-send program at
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<>: does not like recipient.
Remote host said: 550 #5.1.0 Address rejected.
Giving up on
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Michel PlungjanIT Expert
Top Expert 2009

Seems the net thinks it is your MX records.

Here is one of the results I get when I google the error

PS: I fixed your title
Sudeep SharmaTechnical Designer

@glamo ,

I beleive you are sending the email to This domain "" has two MX records.


Ideally you should be sending the email to "" ( and NOT to "" (

Since "" ( and MX priority 0 mails should be sent to it only, the other server might be for diaster recovery or might in some cases might not accept the emails unless "" ( goes down.

Further even if "" ( rejects the email then you may need to contact the IT support of the recipient or domain master of "" and asked them that their mail server is not accpeting the email for the domain
@glamo, how is the problem connected to gmail?


i was told it was a gmail account:

If you want to log in through gmail,  here is info. Its a new account:

The email again is and the password is goblue2012
The domain is a Google apps managed domain, so the MX records must be modified according to Google's instructions in the apps control panel.
I see that you or someone already added a DNS TXT record to verify domain ownership, now return to the control panel and add those MX record to the DNS.

and for the devil's sake - change the frigging password before harm is done :)

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