The user name that IDOL Community Component must use to access the proxy server that the mailing operation must use.
| Type: | String | 
| Default: | |
| Required: | Yes, if the IDOL Community Component mailer operation is enabled and must be run using a proxy server | 
| Configuration Section: | MyCustomFunctionality | 
| Example: | ProxyUsername=gbrown | 
| See Also: | ProxyHost ProxyPassword ProxyPort RunMailer | 
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