I got a Google apps for my-google-apps.com and what to be able to send mail on behalf of this domain through my Gmail address that I use as primary address.


  • Send mail as: Coding Goûter <[email protected]> ;
  • Mail is sent through: smtp-relay.gmail.com ;
  • Secured connection on port 587 using TLS.


Delivery to the following recipient failed permanently:

     [email protected]

Technical details of permanent failure:
read error: generic::failed_precondition: read error (0): error

----- Original message -----

X-Gm-Message-State: ALyK8tKwKBrOQHPiS4ZRUe54UUxBmujgWZw20aXORPT2T3wvaMYh8keekpQmHw1bQj/clA+dprC+WZ0TJUYwEg==
X-Received: by with SMTP id n8mr2876085lfi.205.1468225620148; Mon,
 11 Jul 2016 01:27:00 -0700 (PDT)
MIME-Version: 1.0
Received: by with HTTP; Mon, 11 Jul 2016 01:26:20 -0700 (PDT)
From: =?UTF-8?Q?Coding_Go=C3=BBter?= <[email protected]>
Date: Mon, 11 Jul 2016 10:26:20 +0200
X-Gmail-Original-Message-ID: <CAHGFyZTgbiKGQnm4OB8Sin5VobfTCawshodU+srw71LgKeu2XQ@mail.gmail.com>
Message-ID: <CAHGFyZTgbiKGQnm4OB8Sin5VobfTCawshodU+srw71LgKeu2XQ@mail.gmail.com>
Subject: test
To: [email protected]
Content-Type: multipart/alternative; boundary=001a114080488a0724053757ea31


How do I setup this? Is the SMTP configure incorrect?

1 Answer 1


Check the following

  1. use Gmail SMTP server ;

    Gmail SMTP server - requires authentication with your Gmail/Google Apps account and password. Messages can be sent to anyone inside or outside of your domain.

  2. (not sure) enable Allow less secure apps: ON setting.


  • Send mail as: Coding Goûter <[email protected]> ;
  • Mail is sent through: smtp.gmail.com ;
  • Secured connection on port 587 using TLS.

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