On 2013-06-06 2:34 AM, Sergey Dryga wrote: > Please consider the test successful.=20 Some of my messages have not been going through even though my SMTP server is working fine. It delivers mail to other emails perfectly fine, but PICLIST seems to reject them without any response. A different SMTP server works though. Problem only started a few days ago. Might be time to check those reverse DNS records... --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .