FAQs for Secure Email (S/MIME) certificates

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FAQs Secure Email (S/MIME) Certificates:
How do I install my S/MIME certificate?
In what format is the S/MIME certificate issued?
Can I use an Entrust S/MIME certificate with another user that has an S/MIME from another CA (Certification Authority)?
Does Entrust Certificates work with mobile devices such as Apple iOS, Android, Windows Mobile or BlackBerry?
Can I use my Entrust S/MIME Certificate with free web based email such as Gmail, Outlook.com, Hotmail or Yahoo Mail?
What Software Supports Entrust S/MIME certificates?

If you are looking for Installation Help, please see the guide that relates to where you will be installing your S/MIME certificate.

Secure Email (S/MIME) Installation Guides
	Outlook	Thunderbird	Apple Mail
Windows	2016 2013 2010 2007 2003	Thunderbird for Windows	N/A
Mac OS	2016	Thunderbird Mac OS	Apple Mail for Mac OS

Mobile OS
iOS (Apple)

In what format is the S/MIME certificate issued?

Entrust S/MIME certificates are issued in PFX format. When you download your S/MIME certificate you will be asked to complete a certificate pickup wizard that will import the certificate as a .p12 file as shown below:

Can I use an Entrust S/MIME certificate with another user that has an SMIME from another CA (Certification Authority)?

Yes, Entrust certificates are compatible with users that have S/MIME certificates from other Trusted CAs.

Does Entrust Certificates work with mobile devices such as Apple iOS, Android, Windows Mobile or BlackBerry?

It is not the certificate that is compatible with the mobile device but it is the mobile device that supports S/MIME, Entrust follows the standard for S/MIME based off of RFC 5751 (https://tools.ietf.org/html/rfc5751)

Apple iOS and BlackBerry support S/MIME and have native support within their OS. Other mobile devices may require Software Updates or Third-Party software to support S/MIME.

Can I use my Entrust S/MIME Certificate with free web based email such as Gmail, Outlook.com, Hotmail, iCloud or Yahoo Mail?

You will need to use a software based email client such as Microsoft Outlook, Mozilla Thunderbird or Apple Mail to be able send encrypted emails using an S/MIME certificate:

Email Service	Outlook Settings	Thunderbird Settings	Apple Mail Settings
Gmail	https://support.google.com/mail/troubleshooter/1668960?hl=en		https://support.apple.com/en-us/ht204093
Outlook, Hotmail, Live	http://windows.microsoft.com/en-CA/windows/outlook/outlook-connector	http://answers.microsoft.com/en-us/outlook_com/forum/oemail-osend/how-to-set-up-thunderbird-to-sync-your-outlookcom/266ddd8f-250c-4e8a-9799-009d992be8e3 or https://support.mozilla.org/en-US/kb/thunderbird-and-hotmail
Yahoo Mail	https://help.yahoo.com/kb/mail-for-desktop/pop-server-settings-yahoo-mail-sln4724.html?impressions=true	http://answers.microsoft.com/en-us/outlook_com/forum/oemail-osend/how-to-set-up-thunderbird-to-sync-your-outlookcom/266ddd8f-250c-4e8a-9799-009d992be8e3 or https://support.mozilla.org/en-US/kb/thunderbird-and-hotmail
iCloud	https://support.apple.com/en-ca/HT202304

What Software Supports Entrust S/MIME certificates?

As stated previously, S/MIME functionality is dependent on the email client being software-based. Thus, at the moment there is limited support for S/MIME certificates in certain circumstances such as Android devices (Gmail or Outlook).

If you have any questions or concerns please contact the Entrust Certificate Services Support department for further assistance:

Hours of Operation:
Sunday 8:00 PM ET to Friday 8:00 PM ET
North America (toll free): 1-866-267-9297
Outside North America: 1-613-270-2680 (or see the list below)
NOTE: It is very important that international callers dial the UITF format exactly as indicated. Do not dial an extra "1" before the "800" or your call will not be accepted as an UITF toll free call.

Country	Number
Australia	0011 - 800-3687-7863 1-800-767-513
Austria	00 - 800-3687-7863
Belgium	00 - 800-3687-7863
Denmark	00 - 800-3687-7863
Finland	990 - 800-3687-7863 (Telecom Finland) 00 - 800-3687-7863 (Finnet)
France	00 - 800-3687-7863
Germany	00 - 800-3687-7863
Hong Kong	001 - 800-3687-7863 (Voice) 002 - 800-3687-7863 (Fax)
Ireland	00 - 800-3687-7863
Israel	014 - 800-3687-7863
Italy	00 - 800-3687-7863
Japan	001 - 800-3687-7863 (KDD) 004 - 800-3687-7863 (ITJ) 0061 - 800-3687-7863 (IDC)
Korea	001 - 800-3687-7863 (Korea Telecom) 002 - 800-3687-7863 (Dacom)
Malaysia	00 - 800-3687-7863
Netherlands	00 - 800-3687-7863
New Zealand	00 - 800-3687-7863 0800-4413101
Norway	00 - 800-3687-7863
Singapore	001 - 800-3687-7863
Spain	00 - 800-3687-7863
Sweden	00 - 800-3687-7863 (Telia) 00 - 800-3687-7863 (Tele2)
Switzerland	00 - 800-3687-7863
Taiwan	00 - 800-3687-7863
United Kingdom	00 - 800-3687-7863 0800 121 6078 +44 (0) 118 953 3088