> -----Original Message----- > From: CentOS [mailto:centos-bounces at centos.org] On Behalf Of Alice > Wonder > Sent: Tuesday, July 24, 2018 1:19 PM > To: centos at centos.org > Subject: Re: [CentOS] Mail has quit working > > On 07/24/2018 05:36 AM, Mike McCarthy, W1NR wrote: > > Your IP address is flagged as spam in Real Time Block Lists. Are you > > using a dynamic IP address? You may have a mis-configured server that is > > allowing spammers to relay through your server. Another possibility is > > your system is compromised with a spambot. > > > > Mike > > > > > Happens frequently to me and I'm no open relay. > > CentOS uses spamhaus and spamhaus blocks entire subnets if someone on > the subnet spams. > > So unless you can afford your own subnet or pay to be on a whitelist, > blacklists are a common thing for the little guy. > > So much for net neutrality. > [Thomas E Dukes] Apparently I can send mail to the list via Outlook but not from webmail. Go figure?