The cause of the problem, in which “our E-mail” identified as spam\Junk mail...
Articles that review the subject of – Internal spam E-mail. The term Internal spam E-mail describes a phenomenon in which the spam E-mail sent by our organization users. For this reason, another name that used is – outbound
spam E-mail. Most of the time, the cause for Internal spam E-mail or outbound spam E-mail is a lack of awareness of our users. Another possible option is malware that abuses our infrastructure and sends outbound spam on behalf of our users.