gmail failed opening connection to server

Keep getting error message when accessing gmail with personalized address.  Have double checked server settings and can’t figure it out. 
Logs:

8:22:41 PM jason@ediger.ca [IMAP]  Uploading messages: To folder jason@ediger.ca/[Gmail]/All Mail
8:22:41 PM jason@ediger.ca [IMAP]  Uploading messages: Done
8:22:41 PM jason@ediger.ca [IMAP]  Synchronizing subfolders: For folder jason@ediger.ca/
8:22:41 PM jason@ediger.ca [Google Contacts]  Synchronizing folder list
8:22:41 PM jason@ediger.ca [IMAP]  MailClient.Accounts.ConnectionException: Failed opening connection to server. —> System.Net.Sockets.SocketException: No such host is known
8:22:41 PM    at System.Net.Sockets.TcpClient…ctor(String hostname, Int32 port)
8:22:41 PM    at MailClient.Imap.Base.Connection.<>c__DisplayClass43_0.b__0()
8:22:41 PM at MailClient.Imap.Base.Connection.Connect(Func1 getStream)<br>8:22:41 PM at MailClient.Imap.Base.Connection.Connect(String receiveHost, Int32 receivePort, Boolean explicitSsl)<br>8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Reconnect(CancellationToken cancellationToken)<br>8:22:41 PM --- End of inner exception stack trace ---<br>8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Reconnect(CancellationToken cancellationToken)<br>8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Connect(CancellationToken cancellationToken)<br>8:22:41 PM at MailClient.Protocols.Imap.ConnectionPool.AcquireConnection(Folder mailFolder, Boolean idle, Boolean forStore)<br>8:22:41 PM at MailClient.Protocols.Imap.ConnectionContext..ctor(ImapAccount account, Folder folder, Boolean forStore)<br>8:22:41 PM at MailClient.Protocols.Imap.Synchronizer.AppendCommand.ExecuteInternal(WorkerStatus status)<br>8:22:41 PM at MailClient.Protocols.Imap.Synchronizer.ImapCommand.Execute(WorkerStatus status)<br>8:22:41 PM at MailClient.Commands.Command.Process(WorkerStatus status)<br>8:22:41 PM <a href="mailto:jason@ediger.ca" rel="nofollow">jason@ediger.ca</a> [Google Calendar] Synchronizing folder list<br>8:22:41 PM <a href="mailto:jason@ediger.ca" rel="nofollow">jason@ediger.ca</a> [IMAP] MailClient.Accounts.ConnectionException: Failed opening connection to server. ---&gt; System.Net.Sockets.SocketException: No such host is known<br>8:22:41 PM at System.Net.Sockets.TcpClient..ctor(String hostname, Int32 port)<br>8:22:41 PM at MailClient.Imap.Base.Connection.&lt;&gt;c__DisplayClass43_0.<connect>b__0()<br>8:22:41 PM at MailClient.Imap.Base.Connection.Connect(Func1 getStream)
8:22:41 PM at MailClient.Imap.Base.Connection.Connect(String receiveHost, Int32 receivePort, Boolean explicitSsl)
8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Reconnect(CancellationToken cancellationToken)
8:22:41 PM — End of inner exception stack trace —
8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Reconnect(CancellationToken cancellationToken)
8:22:41 PM at MailClient.Protocols.Imap.ConnectionPoolEntry.Connect(CancellationToken cancellationToken)
8:22:41 PM at MailClient.Protocols.Imap.ConnectionPool.AcquireConnection(Folder mailFolder, Boolean idle, Boolean forStore)
8:22:41 PM at MailClient.Protocols.Imap.ConnectionContext…ctor(ImapAccount account)
8:22:41 PM at MailClient.Protocols.Imap.Synchronizer.SynchronizeFoldersCommand.ExecuteInternal(WorkerStatus status)
8:22:41 PM at MailClient.Protocols.Imap.Synchronizer.ImapCommand.Execute(WorkerStatus status)
8:22:41 PM at MailClient.Commands.Command.Process(WorkerStatus status)


Thoughts

Check in your account settings (Menu > Tools > Accounts) that the host is imap.gmail.com and smtp.gmail.com.