Subj : smtp-auth required? To : All From : Nelgin Date : Tue Mar 21 2023 02:37:45 : host mail.endofthelinebbs.com[192.138.210.158] said: 554 Mail deliveries from endofthelinebbs.com must use SMTP-AUTH (in reply to end of DATA command How can I avoid this particular host from having to do smtp-auth. It's using the endofthelinebbs.com domain but on a different system. I have the ip in the ipfilter_exempt.cfg of course but I'm sure there's something else? --- þ Synchronet þ End Of The Line BBS - endofthelinebbs.com * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705) .