[google-appengine] Re: Mail Service Of Google App Engine (Standard) is very slow & delayed in sending mails.

Hello Mohammad, The App Engine Mail API is indeed a deprecated service. The link that you have mentioned also contains the following line: *“This solution is no longer recommended: This page describes how to use a legacy App Engine se

[google-appengine] Re: Mail Service Of Google App Engine (Standard) is very slow & delayed in sending mails.

Hi Olu, This is not with Only one domain. There are more than one domain are getting this slowness or delay of receiving mails. Per day my application is sending more than 2000 emails.One More thing I want to share my App Engine project is very old *since 2014*.I have Quotas of 2 Recipient

[google-appengine] Re: Mail Service Of Google App Engine (Standard) is very slow & delayed in sending mails.

Hi, Mohammad There are a number of reasons why this delay may be obtained and there are a lot of questions that may be asked. For example, is this a Common delay to all your receivers' domains? Or it is something only happening to a particular domain? This issue may also relate to your usage of