In this tutorial we will explain in detail the problems that may arise with your email addresses. If you are having trouble sending an email and you receive a Mail delivery report, it is important to read the Mail delivery report and see where the problem occurred. You need to see if our server or destination server rejected the message.
The following are some examples of the most common problems that arise.
Mailbox is full / Blocks limit exceeded / Inode limit exceeded.
So you need to check the email quota or the number of inodes.
Also this Mail Delivery report can mean that you are sending a large number of invalid messages.
Mailbox unavailable / The email account you tried to reach does not exist / This user does not have an account / Unrouteable address.
So you are mistaking the email address to which you want to send the email.
High probability of spam.
So some of the servers classify the message as spam. So if you are sending an attachment, it should be in .zip format.
There may also be some words the server rejects, so it might be best to double-check the text and subject line of the email.
Next we will look at how you can see for yourself the problem with your email.