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SSL Certificate failure on iPhones, iOS10.2.

Hello; This one seems tricky.

When iPhone 6 or later users running the latest iOS try to access their imap.gmail.com or imap.shaw.ca personal accounts they are getting a 'could not verify server' error. It appears the imap servers don't trust the certificate provided by Sophos.

Anyone else experienced this? It's only on the iPhone ( my android device works fine ).

More information:

We are not using the WAP protection services on the XG210 firewall we have.

It's only happening when... iPhone 6 or later, connected to our wifi access points (which are just plugged into our network), trying to access imap mail servers like imap.gmail.com or imap.shaw.ca.

I've attached screen shots of the details of the error message. I'm sorry, I'm not very good at interpreting them.

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0 lferrara over 7 years ago

kaikieferle,

We are not able to see the screenshot. Anyway if you enabled the HTTPS scanning on the firewall rules, you will need to import the certificate on your iPhone. I imported by accessing the XG > Certificate > download Certificate.

From there, I am not having any issue with email on my iPhone (6s updated to latest firmware).

Let us know.
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0 Nirmal Kannan over 5 years ago in reply to lferrara

iam facing same issue , when i connect any ios device(vesion 12) getting a pop up message " cannot verify server identity" .

find attached screen shot here
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0 Koen Spierings over 4 years ago in reply to Nirmal Kannan

Firewall - 1. Auto added firewall - Malware scanning

Turn Scan IMAP and scan IMAPS off

Certificate date (seemed to be) issued, probably, a year before you installed the firewall for the last time
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0 Koen Spierings over 4 years ago in reply to Nirmal Kannan

Firewall - 1. Auto added firewall - Malware scanning

Turn Scan IMAP and scan IMAPS off

Certificate date (seemed to be) issued, probably, a year before you installed the firewall for the last time
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