Mail Error: 552.5.2.0 Message Rejected for spam or virus content
If you get this error as a response
Mail Error: 552.5.2.0 …. Message Rejected for spam or virus content
Receiver server detect your mail as spam. This can be caused a few reason:
- Your mail content can have a lot of links.
- Your mail content can have risky attachments like .exe file
- Your smtp port can be use non-SSL ports.