Subj : Re: *.synchro.net bouncing To : Digital Man From : Dumas Walker Date : Mon Jun 21 2021 15:35:57 > A message that you sent could not be delivered to one or more of its > recipients. This is a permanent error. The following address(es) failed: > mike.powell@capcity2.synchro.net > host capcity2.synchro.net [67.131.57.133] > retry timeout exceeded Thanks to Nelgin and some wiki reading, I got this error straightened out. However, I am not getting the following error: mike.powell@capcity2.synchro.net host mail.synchro.net [71.95.196.36] SMTP error from remote mail server after RCPT TO:: 553 Relaying through this server requires authentication. Please authenticate before sending. Thanks! # --- þ Synchronet þ CAPCITY2 * capcity2.synchro.net * Telnet/SSH:2022/Rlogin/HTTP * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705) .