Trust certificates in iOs11.3

[borjam1981]

Hello
I download a certificate and I would like to trust in this certificate but not automatically, just manualy. The problem comes, because i downloaded a certificate for an email and I cannot accept it. What's wrong?

 

[IowaLynn]

Phishing loves to gain access in a similar manner.

 

[borjam1981]

but how can i trust this certificate? I really trust but i cannot press the "trust" link.

 

[IowaLynn]

Word attachments remain a popular target for malware.
https://threatpost.com/word-attachment-delivers-formbook-malware-no-macros-required/131075/

Screenshot? Not sure what you are expecting to see.