Small companies and startups use cheap email services or even Cpanel's mail services which are less secure and compete directly with bigger email providers like Microsoft with Outlook and Google with Gmail. This creates a problem when you try to use their services to send/receive emails from this cheap services. <img width="750" src="https://static.techspot.com/fileshost/newspics3/2017/google-clo...
Logging is a very important feature of the application. It let's you know what is happening in every moment. By default, Yii2 basic and advanced application have just a \yii\log\FileTarget target configured.
\yii\mail\BaseMailer::useFileTransport is a great tool. If you activate it, all
emails sent trough this mailer will be saved (by default) on @runtime/mail
instead of being sent, allowing the devs to inspect thre result.
One of my sites has been flooded with spam bots and as a result - Gmail gave my mailing domain a bad score and I couldn't send emails to @gmail
addresses anymore, not from my email, not from my system, not from any of other domains and websites I host...