Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "J.O. Aho" Newsgroups: comp.mail.sendmail Subject: Re: OT: What do you need to do nowadays to get mail delivered to your mail server? Date: Wed, 17 Dec 2025 11:29:43 +0100 Lines: 29 Message-ID: References: <20251118110455.09fa36e4@ryz.dorfdsl.de> <20251118162239.621f32ad@ryz.dorfdsl.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net EckF/u0MElzg3maZp18X8gGOx2QlceungVMB37rRLxA/aSkdXG Cancel-Lock: sha1:sYxHBcKndB+tErYl8p9FSZ7Ntq4= sha256:2bxtb5aPk0FVh4FdVOhAywEwZlINVSpDj9YTZ6LuGDI= User-Agent: Mozilla Thunderbird Content-Language: en-US-large In-Reply-To: <20251118162239.621f32ad@ryz.dorfdsl.de> Xref: csiph.com comp.mail.sendmail:8226 On 18/11/2025 16.22, Marco Moock wrote: > On 18.11.2025 14:46 Uhr J.O. Aho wrote: > >> I did create an account and run a traceroute test, 98 failed and 2 >> wasn't run, all seems to end at the same server on Austria, the route >> back from my mail server do take another path. I didn't try ping as >> by default the setup do not respond on ping. > > You can use bgp.he.net super traceroute. > > Please let us know which probes you used and what your IP is. > > Be aware that the probes send UDP packets to a high port, so a firewall > can block them while TCP port 25 is not being blocked. > >> for me it looked like many of the sources that RIPE uses seems to be >> in the same ip-range and same gateway, of course I haven't checked >> every instance, but I was trying to check a handful from different >> countries. > > Use HE supertraceroute, you can select countries and ISPs here. > Thanks for the help, turns out stopping the firewall didn't clean out banned ip's and ranges and the main issue seems to have been that sendgrid.net had been banned due of specious looking connections from an ip and a whole large range had then been banned. -- //Aho