get Server Name
Return the domain form a userId. Examples:
"@alice:domain.org".getDomain() will return "domain.org"
"@bob:domain.org:3455".getDomain() will return "domain.org:3455"
Return the domain form a userId. Examples:
"@alice:domain.org".getDomain() will return "domain.org"
"@bob:domain.org:3455".getDomain() will return "domain.org:3455"