With Kutools for Outlook's Malicious utility, you can easily get phishing warning when receiving emails as follows.

1. Firstly, please enable the Check Malicious utility by clicking Kutools > Options, then click Security tab, and then check the Check Malicious email box in the Options dialog box. See screenshots:

Note: You can add malicious exceptions by clicking the Exceptions button and enter the email domain into the Check Malicious Exceptions dialog box.

2. When the email with phishing links arriving, a warning dialog will pop up to remind you that the message you just received is a malicious one. And you can see the email subject showing in the warning dialog. See screenshot:

3. At the same time, a Malicious mark will be automatically added before the email subject. So you can easily distinguish the malicious emails from other emails in the folder. See screenshot: