The Outlook warning message "A program is trying to send an e-mail message on your behalf. If this is unexpected, click Deny and verify your antivirus software is up-to-date", is displayed when you try to send an e-mail from another program (e.g. Word, Excel or a third-party program), or because you have been infected by a malware program that tries to send spam.
In this tutorial you'll find step-by-step instructions to remove the Outlook warning message "A program is trying to send an e-mail message on your behalf", in Microsoft Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007 & Outlook for Office 365.
How to FIX: A program is trying to send e-mail on your behalf in Outlook. *
* Attention: If the warning message appears without attempting to send an email from another program, proceed and scan your computer for malware by using the instructions in this article: How To Scan Your Computer for Viruses and other Malicious Programs.
Method 1. Update your Antivirus Program.
The Outlook message "A program is trying to send an e-mail message on your behalf", may appear if your Antivirus program is outdated. So ensure that your AV program is updated.
Method 2. Change the Programmatic Access Security setting in Outlook.
To remove the Outlook warning "A program is trying to send e-mail on your behalf", in case you are actually using a program other than Outlook to send email, turn off the warnings for suspicious activities. in Outlook settings. To do that:
1. In Outlook go to File -> Options. *
2. Select Trust Center on the left and open the Trust Center Settings.
* Note: In Outlook 2007, go to Tools > Trust Center.
3. At Programmatic Access Security settings select the Never warn me about suspicious activity (not recommended) option and click OK twice to apply the setting. *
* Note: If the Programmatic Access settings are greyed out, then close and re-launch Outlook as Administrator. (Right click on Outlook icon -> Run as Administrator.)
That's all folks! Did it work for you?
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