Email Checker Pro - Version 4.0 Email Checker Pro: check and verify whether the email addresses are valid (format or syntax) and really existing on the corresponding email servers without sending in BATCH mode. Usually, it is used to maintain a clean emailing list. It works very fast, the more the faster due to use multi-threaded checking, it can check 500-1000 email addresses per minute, depends on your computer performance and network speed. It's very easy to use: just import the email addresses from csv (comma separated values), txt (tab separated) or Excel Workbooks (.xls or xlsx), and the click Check button, the results will show soon. And you can also export the results to csv/txt/xls/xlxs files. Except displays the results in a list view traditionally, Email Checker Pro also makes the visual statistics by counts and 3D pie chart. The more visual is: the counts and 3D pie chart are updated in real time during checking email addresses. The result contains the following elements: [Result]: OK, BAD, Wait, Server Not Found or Checking Failed. [Description] (reason of result): Really Exists (for OK), Invalid Email Address Format (for BAD), Indeed Nonexistent/Disabled/Unavailable/Discontinued (for BAD), Unsupported Server, Marked as OK (for OK), Invalid Email Server or Cannot Connect to It (for Server Not Found), An Error Occurred During Checking (for Checking Failed). [Suggestion]: Retain (for OK), Discard (for BAD) or Recheck (for Server Not Found and Checking Failed). [Last Check]: Email Check Pro will save the last check date for every email address, and the check rule setting may rely on this date. [Interaction]: the interaction between Email Checker Pro and destination server during checking.