Hi everyone. Twice a month I send bulk emails (100-200) via mail-merge on Outlook 2010. In the past few months, whenever I do this, my email either slows to a crawl for a day or two, or is completely blocked. Now I get the error "535 5.7.8. [TPG-A02] Authentication denied. User ***** is banned from using SMTP AUTH due to previous abuse" How do I stop this from happening? ... View more