Outlook

In this post, let’s have a look at the error message “5.2.122 – Recipient’s per hour message receive limit exceeded.”...

In this post, let’s have a look at the error message “4.7.322 – certificate-expired: Destination mail server’s certificate is expired.”...

In this post, let’s have a look at the error message “5.2.2 – Submission quota exceeded” that you get when...

In this post, let’s have a look at the error message “4.4.316 – Connection refused [Message=Socket error code 10061]” that...

In this post, let’s have a look at the error message “5.7.505 – Access denied, banned recipient” that you get...

In this post, let’s have a look at the error message “5.1.8 – Access denied, bad outbound sender” that you...

In this post, let’s have a look at the error message “5.7.512 – Access denied, message must be RFC 5322...