That is a odd problem, I can send mail and reply to most but for one I obtain an error, whose bug trace I attach. Gnus v5.13 GNU Emacs 25.1.50.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1) of 2016-06-18 200 news.gmane.org InterNetNews NNRP server INN 2.5.1 ready (posting ok) 100 Legal commands ARTICLE [message-ID|number] AUTHINFO USER name|PASS password|GENERIC program [argument ...] BODY [message-ID|number] CAPABILITIES [keyword] DATE GROUP newsgroup HDR header [message-ID|range] HEAD [message-ID|number] HELP IHAVE message-ID LAST LIST [ACTIVE [wildmat]|ACTIVE.TIMES [wildmat]|DISTRIB.PATS|DISTRIBUTIONS|HEADERS [MSGID|RANGE]|MODERATORS|MOTD|NEWSGROUPS [wildmat]|OVERVIEW.FMT|SUBSCRIPTIONS] LISTGROUP [newsgroup [range]] MODE READER NEWGROUPS [yy]yymmdd hhmmss [GMT] NEWNEWS wildmat [yy]yymmdd hhmmss [GMT] NEXT OVER [range] POST QUIT STARTTLS STAT [message-ID|number] XGTITLE [wildmat] XHDR header [message-ID|range] XOVER [range] XPAT header message-ID|range pattern [pattern ...] Report problems to . .