I am facing an issue, I receive mails, but in particular  mail that is generated from my website contact us page does not reach me. I have redirected the mails to my personal EMail address, and there it does.

Also I send promotional mails to my customers, using Third Party Mailing Solution (MailChimp), those mails also does not reach me.

Not sure what other mails do I miss due to issues in Zoho.