Starting with this:
index=* smtp sourcetype="""""""" email="*" date_month=june
I tried date_month=may AND june and it did not work.  I need this:
index=* smtp sourcetype="""""""" email="*" date_month=may 
| table _time sourcetype email src det count src_tags 
| stats count by _time sourcetype src det email  
And:
index=* smtp sourcetype="""""""" email="*" date_month=june 
| table _time sourcetype email src det count src_tags 
| stats count by _time sourcetype src det email
Do I use a I use the join command? Can you provide an example.
can you try this:
index= smtp sourcetype="""""""" email="" (date_month=may OR date_month=june )
| stats count by _time sourcetype src det email 
					
				
			
			
				
			
			
			
				
			
			
			
			
			
		can you try this:
index= smtp sourcetype="""""""" email="" (date_month=may OR date_month=june )
| stats count by _time sourcetype src det email