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I've setup a new gmail account me.company@gmail.com in order to use the gmail client to manage email from another account, me@company.com.br.

I'm receiving all e-mail that's sent to me@company.com.br in my me.company@gmail.com mailbox. Great.

However, I'm not able to "send mail as" me@company.com.br when using the me.company@gmail.com account. I added the me@company.com.br in the "send mail as" options, configured it like my colleagues here at the company (SMTP server, port 587, TLS), and I got the message that an e-mail had been sent to me@company.com.br. I tried resending the e-mail confirmation a zillion times using various different settings, but I never get that e-mail at the me@company.com.br mailbox.

Here is a screeshot of the "Save Mail As" settings:

enter image description here

After struggling for a while I noticed the following message in the me.company@gmail.com Spam box:

Delivery to the following recipient failed permanently:

     me@company.com.br

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain company.com.br by company.com.br. [67.23.245.70].

The error that the other server returned was:
550-Verification failed for <send-as-noreply@google.com>
550-Previous (cached) callout verification failure
550 Sender verify failed


----- Message suppressed -----

What exactly is going on there? I'm having a hard time interpreting this error message.

ps: I replaced my username with 'me' and the company name with 'company'.

  • Add more details. Screenshots of the settings will be great. – Rubén Jun 9 '15 at 12:29
  • Hi Rubén, my google account is in portuguese, so I don't think a screenshot will help much. In addition, I mentioned in the post the settings of the "save mail as" options in Gmail: port 587 and secured connection using TLS. The SMTP server is mail.company.com.br, and it's "not an alias" (though I tried using it as an alias too). I'm pretty much convinced the solution to this problem lies on the fail message I received in the spam box, which I pasted in the post. Could you specify the details you need in order to give me a hand? Thank you! – zok Jun 9 '15 at 13:21
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    Just added the screenshot. – zok Jun 9 '15 at 13:27
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You should talk with the email administrator of "mail.company.com.br" and ask him to change the settings of the email service in order to allow the email verification be realized.

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