Cannot send to gmail accounts

When sending to gmail I have start getting mail errors like the following back. This started after I moved to MiAB as SMTP server for the domain. host ALT2.ASPMX.L.GOOGLE.COM[] said:
450-4.2.1 The user you are trying to contact is receiving mail at a rate
that 450-4.2.1 prevents additional messages from being delivered. Please
resend your 450-4.2.1 message at a later time. If the user is able to
receive mail at that 450-4.2.1 time, your message will be delivered. For
more information, please 450-4.2.1 visit 450 4.2.1 x3si18999441pgb.28 - gsmtp
(in reply to RCPT TO command)

The receiver say that he does receive mails from others but I have tried several times with this error every time.

Any ideas?

Have you approved your domain on Google Postmaster Tools?

I haven’t seen that myself, dunno.

I havent, but will see if I can find a place to do it

@bronson can you tell me where I can verify the domain? it is already added to my list of domains I own in webmaster tools but that only seems to be looking at the domain from a web perspective.

It’s here:

Then add your domain and verify it. Google will tell you to add a TXT record to your DNS (the Custom DNS page in your admin section).

thanks exactly what I needed. Funny that I could not find this google feature via google search :smiley:

Not directly related. But I’ve too verified my domain on the Gmail Postmaster Tool. It says “Verified” so I guess I am good. But it doesn’t show any data for my domain. Not sure if that’s a problem or not.

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