David Ryder
Site Admin
Joined: 2007 02 04
Posts: 52
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 Posted: Wed Dec 16, 2009 9:34 pm Post subject: Thunderbird: Security Error: Domain Name Mismatch |
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When setting up an email address, you may receive certification error messages in Thunderbird when using an authenticated SMTP server similar to this one:
| Quote: | You have attempted to establish a connection with "mail.yourdomain.com". However, the security certificate presented belongs to "your.hosting.service.com". It is possible, though unlikely, that someone may be trying to intercept your communication with this web site.
If you suspect the certificate shown does not belong to "mail.yourdomain.com", please cancel the connection and notify the site administrator.
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Here is what the annoying alert looks like:
| Quote: |  |
The reason this happens is because your domain is running off a shared server "mail.yourdomain.com" which points to the server which is running the SMTP server "your.hosting.service.com".
The easiest way to solve this is to change your SMTP server address from "mail.yourdomain.com" to the one that matches the certificate. If the login details are correct, it shouldn't matter.
The best method is to install the Remember Mismatched Domains extension into Thunderbird.
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David Ryder
Administrator
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