What’s going on with Chilkat support today…. 1. Encountered SMTP response of “503: Bad sequence of commands”.   This happened when attempting to use STARTTLS on a server where STARTTLS was not enabled.  The port in use is 587, which is the traditional SMTP port for explicit TLS.  (Explicit TLS is where the initial connection … Continue reading Chilkat 13-Dec-2021 — PDF Signature not Visible in Chrome or Microsoft Edge