title: How to test MAPI Send Email errors
body: <p>We have a program written in Delphi that can send emails via simple MAPI<br>
  for the people that use MAPI with outlook installed 95% of the time it works fine</p>
  
  <p>but for the 5% of people that it doesn't just work for is there anyway to Test MAPI<br>looking for something where we can find if there is an issue with our program or if its something that their hardware guy needs to fix.<br>Would be good if its some Microsoft tool or something official so if we go to the clients hardware/IT guy and say test this he will trust the results of the test</p>
  
  <p><strong>some errors we have come across include</strong></p>
  
  <p>api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer. Try reinstalling the program to fix this problem. </p>
  
  <p>Access violation only for one contact in the outlook address book - happened when calling the MAPIResolveName (no solution found for this - client didnt want to reinstall outlook)</p>
  
  <p>Mapi error 26 for Office build version 1703 - first email goes through ok but they all fail after that.  (You can make a work around by using the MapiLogOn and pass the session handle through in the MAPISendMail call)</p>
  
  <p>Either there is no default mail client or the current mail client cannot fulfill the messaging request</p>