Communication Error make sure Envelope From Email is the terms used to create the Client ID.. If you use image like for email add DKIM experience to DNS zone issue and upload Domain Key digital signature to for Google... Go to Google Developer's Console and login with the email address that you are configuring Post with.. Choose 'Create New Project This project will be for Post SMTP only.. In ' Authorized Redirect URIs enter the ' Redirect URI given by Post either from the star or from the configuration page.. Choose 'Create Client ID. Added additional From field Envelope From Address so users can use different From address than the Account address for experience to use Google Apps Group email address. Use Zend Mail setReturnPath option to communicate Mail-From and Sender as the SMTP account allowing arbitrary addresses in the From header. Fixed long-standing bug where Post will ignore Grant Code from OAuth provider if it wasn't in the very HttpRequest that the page received. Setup Wizard will recheck for IP addresses in the URL and warn the user when they are about to configure OAuth 2.0 that this will fail.. The external transport is the Post Gmail Extension which uses Gmail API to send mail out on HTTPS port suitable way TCP port blocks for Gmail users. Thanks to user derrey for catching this one. Zend Mail crashes when attempting to throw exception when the header was added as Zend Mail Exception code=0 message=Cannot set header from addHeader...
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