Issue TLS with SHA2 certificate on Mail enable enterprise

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onus
Posts: 3
Joined: Mon Jun 15, 2015 10:00 am

Issue TLS with SHA2 certificate on Mail enable enterprise

Post by onus » Wed Jun 17, 2015 12:13 pm

After applying the certificate on the server we are getting messages in msoutlook or thunderbird mail client as
(The server you are connected to is using a security certificate that cannot be verified the target principal name is incorrect. How do I rectify the same. Request you to help us address this issue as there
are multiple domains which are hosted on the mail server and
when we used SMTP 465 we get the error when configured in outlook mail client or thunderbird mail client.
Please help urgent ?

keith@vfsremote.com
Posts: 25
Joined: Fri Mar 20, 2015 7:53 pm

Re: Issue TLS with SHA2 certificate on Mail enable enterprise

Post by keith@vfsremote.com » Tue Dec 27, 2016 9:14 pm

How was this resolved?
Keith Damron
Manager of Customer Support

VisionFriendly.com
1245 E. Diehl Road, Suite 307
Naperville, IL 60563
630 553-0000 x112
Keith@visionfriendly.com

MailEnable-Ian
Site Admin
Posts: 8934
Joined: Mon Mar 22, 2004 4:44 am
Location: Melbourne, Victoria, Australia

Re: Issue TLS with SHA2 certificate on Mail enable enterprise

Post by MailEnable-Ian » Mon Jan 23, 2017 12:18 am

Hi,

Is TLS 1.1 and TLS 1.2 enabled on the server?

https://technet.microsoft.com/en-us/lib ... elTR_TLS12
Regards,

Ian Margarone
MailEnable Support

cfdynamics
Posts: 125
Joined: Mon May 24, 2010 2:27 pm

Re: Issue TLS with SHA2 certificate on Mail enable enterprise

Post by cfdynamics » Thu Jan 26, 2017 2:27 pm

Are the clients configured to use the same name defined in the certificate?

We found that if the certificate is for "mail.domain1.com" the clients must use "mail.domain1.com" as the SMTP/IMAP hostname even if "mail.domain2.com" is pointed to the same IP address unless the client software has the option to allow any valid certificate.
Kent Runyan
CFDynamics.com
Providing World Class Hosting Solutions for over two decades.

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