Email Log attachment

With this new addon now the users can see their attachments in the email log as well.

1. When a user sends an email. He/She can go to the email log tab in the Post SMTP and can view his/her attachments by clicking on view button.

2. The users can also see the status of their emails whether it is successful or failed. Also, able to check why the email is failed and what is the error that caused the email not to delivered successfully to the recipients.

3. Last but not least point that a user can resend an email whether it is successful or failed again. It might be failed due to the wrong email address so able to resend the email to the correct recipient.