http://www.spanglobalservices.com/technology-lists/ibm-mainframe-users-email-list/
The database has a short shelf life and is frequently prone to changes. Therefore, at Span Global Services, our IBM Mainframe partners email addresses is regularly verified in manual and automated ways, wiping off the inaccurate, nonresponsive and duplicate information. This safeguards your sender reputation and ensures your strategic marketing messages don’t end up in people’s spam folders.
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