Exchange 2013 – Send & Receive Connector Issue.

Question

We have four server roles in our environment i.e. PS-MB1, PS-MB2, PS-CAS1 and PS-CAS2.
As per company policy our limits are:
Sending Inside organization : 3MB Max.
Receiving Inside organization : Unlimited
ß for receiving emails from Inside and
Internet.
Sending Outside organization : 3MB Max.
Receiving from Internet : 35MB Max.
ßIts bounce back emails on Internet larger than 3MB
Commands outputs are mentioned below for your reference:
[PS] C:\Windows\system32>Get-ReceiveConnector
Identity                               
Bindings                               
Enabled
PS-MB1\Default PS-MB1                  
{[::]:25, 0.0.0.0:25}                  
True
PS-MB1\Client Proxy PS-MB1             
{[::]:465, 0.0.0.0:465}                
True
PS-MB2\Default PS-MB2                  
{[::]:25, 0.0.0.0:25}                   True
PS-MB2\Client Proxy PS-MB2             
{[::]:465, 0.0.0.0:465}                
True
PS-CAS1\Default Frontend PS-CAS1       
{[::]:25, 0.0.0.0:25}                  
True
PS-CAS1\Outbound Proxy Frontend PS-CAS1 {[::]:717, 0.0.0.0:717}     
           True
PS-CAS1\Client Frontend PS-CAS1        
{[::]:587, 0.0.0.0:587}                
True
PS-CAS2\Default Frontend PS-CAS2       
{[::]:25, 0.0.0.0:25}                  
True
PS-CAS2\Outbound Proxy Frontend PS-CAS2 {[::]:717, 0.0.0.0:717}      
          True
PS-CAS2\Client Frontend PS-CAS2        
{[::]:587, 0.0.0.0:587}                
True
PS-MB1\Client Application Relay PS-MB1 
{0.0.0.0:25}                           
True
PS-MB1\Exchenge.test                   
{0.0.0.0:25}                  
         False
PS-MB2\Client Application Relay PS-MB2 
{0.0.0.0:25}                           
True
[PS] C:\Windows\system32>get-receiveconnector | ft name, maxmessagesize
Name                                                       
MaxMessageSize
Default PS-MB1                                             
35 MB (36,700,160 bytes)
Client Proxy PS-MB1                                        
35 MB (36,700,160 bytes)
Default PS-MB2                                              35
MB (36,700,160 bytes)
Client Proxy PS-MB2                                        
35 MB (36,700,160 bytes)
Default Frontend PS-CAS1                                   
36 MB (37,748,736 bytes)
Outbound Proxy Frontend PS-CAS1                            
36 MB (37,748,736 bytes)
Client Frontend PS-CAS1                                    
35 MB (36,700,160 bytes)
Default Frontend PS-CAS2                                   
36 MB (37,748,736 bytes)
Outbound Proxy Frontend PS-CAS2                            
36 MB (37,748,736 bytes)
Client Frontend PS-CAS2                                    
35 MB (36,700,160 bytes)
Client Application Relay PS-MB1                            
35 MB (36,700,160 bytes)
Exchenge.test                                              
35 MB (36,700,160 bytes)
[PS] C:\Windows\system32>get-transportconfig | ft maxsendsize, maxreceivesize
MaxSendSize                                                
MaxReceiveSize
3 MB (3,145,728 bytes)                                     
Unlimited
[PS] C:\Windows\system32>get-sendconnector | ft name, maxmessagesize
Name                                                     
  MaxMessageSize
Internet                                                   
35 MB (36,700,160 bytes)
Question: Why ae are facing trouble in receiving 3MB+ size email from internet.

Answer 1

Its not working,
our requirement is
Sending Inside organization : 3MB Max.
Receiving Inside organization : Unlimited
ßfor receiving emails from Inside andInternet.
Sending Outside organization : 3MB Max.
Receiving from Internet : 35MB Max.
ßIts not receving above 3MB from Internet.
Please help.