* Increase DNS timeout from 1 second to 5 seconds for MX check 1 seconds is rather short when using a recursive DNS resolver which hasn't got a cached result already available. Use 5 seconds instead, which is the timeout value we use for outgoing HTTP queries. * Add more precise error messages for invalid e-mail addresses
		
			
				
	
	
	
		
			3.9 KiB
		
	
	
	
	
	
	
	
			
		
		
	
	
			3.9 KiB