Bogus emails

HI

My contact form:

https://www.publictalksoftware.co.uk/contact-form/

It has a recaptcha.

Why is it that sometimes I get really odd emails? It is clear they are bogus emails and yet they get through the system? I just had 4 instantly. No to mention that they also seem corrupt for the conditional fields, even though I have it costructed right in the back end.

Example bad email (extracted from my email log):

Time:
27/08/2020 15:35
Host:
10.27.41.18
Receiver:
[email protected]
Subject:
“Other Enquiry” “sdfjjretlwegfd https://google.com”
Message:
Name
sdfjjretlwegfd https://google.com n

Email
[email protected]

Subject
sdfjjretlwegfd https://google.com

Application
Other Enquiry

Operating System
Other[group-OperatingSystem-Other]

Other
Ysysuven
[/group-OperatingSystem-Other]

Comment or Message
84

—
This e-mail was sent from a contact form on Theocratic Software (https://www.publictalksoftware.co.uk)

Headers:
From: sdfjjretlwegfd https://google.com n <[email protected]> Content-Type: text/html X-WPCF7-Content-Type: text/html Bcc: [email protected] Reply-To: [email protected]
Attachments:
Error:

Why did it get through?

The page I need help with: [log in to see the link]