My quota of the Recipients-Emailed is 100 and I have submitted for submitting a request for additional email quota in the link
Already two week has passed, I still could not have any reply, approval or deny, and message in the Dashboard is still "Your request for increased email quota has been received and is currently under review."I wan to know how long to wait usually... I saw in the forum, ti's around a week...
Finally, I have permission to increase Email from Google, waiting 4 weeks. Thank you so much.
2014年7月25日金曜日 7時40分48秒 UTC+9 Ryota Yamada:

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tried adding as noreply@bottlekast-1001.appspotmail.com but getting an error.Begin forwarded message:
Begin forwarded message:
Begin forwarded message:
$message->setSender("bk.do.not....@gmail.com");
Hi Venkat
I think there was some confusion. According to the docs, you can send from any of the following:
- The Gmail or Google Apps Account of the user who is currently signed in.
- Any email address of the form anyt...@appname.appspotmail.com or anyt...@appalias.appspotmail.com.
- Any email address listed in Email API Authorized Senders found in the App Engine Settings page of the Developers Console.

now with this error…MYSQL server has gone away. it was working till last night… suddenly intermittently getting the error...
<PastedGraphic-2.png>-V
All email addresses on the Email API Authorized Senders list need to be valid Gmail or Google-hosted domain Accounts.