Outlook 2007

When I open outlook everytime,  get a validation certificate:  weird thing is it indicates from *.rcn.com from go daddy?  cannot figure how to get rid of it.  just started happening.
ycguy1117Asked:
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David Johnson, CD, MVPOwnerCommented:
you are given the option to examine the certificate and also what the error is. if you are the sysadmin there are many problems.. blacklisted by squid, no support for tls 1.2, no perfect forward security, support of RC4 cyphers,  support of SHA1 and not sha256.
http://mxtoolbox.com/domain/rcn.com/?source=findmonitors
https://www.ssllabs.com/ssltest/analyze.html?d=rcn.com&s=208.59.90.35
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