Email sending issue in Website

Job ID: 35939316

Budget: $10 – $30 USD

Website developed in Laravel , when client/user send me email ( gmail or yahoo ) through contact us /order
mail not receiving for me but user are receiving email.

Note : Mail id is configured in Zoho mail.

Getting below error in code .
Swift_TransportException
Expected response code 250 but got code "550", with message "550 This message was classified as SPAM and may not be delivered "

Help me to fix the mail issue in coding.
Related categories: PHP Software Testing MySQL Laravel Email Developer