Re: [AFMUG] mail servers

2023-03-12 Thread Steve Jones
When we migrated our on prem server to a hosting service we didnt want to have every customer have to reset their passwords (its easier to walk grandma ethel through changing a server name than changing a password)so we sniffed port 25 for a long time collecting usernames and passwords (our box

Re: [AFMUG] mail servers

2023-03-12 Thread Mike Hammett
"The cloud is the future" It certainly isn't. It's largely a fad that's already has people removing the wool from their eyes and moving on. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Darin

Re: [AFMUG] mail servers

2023-03-12 Thread Mike Hammett
"I can assure you Gmail doesn't block emails that are..." I can assure you that they do. Scale is hard. The Mailops mailing list has a lot of traffic regarding the big mail providers epicly failing at mail constantly. - Mike Hammett Intelligent Computing Solutions Midwest

Re: [AFMUG] mail servers

2023-03-12 Thread Robert Andrews
Who remembers a famous USENET author that had: A host is a host from coast to coast (what was the next line?) As part of their signature.. Not the copycats, but the original... On 3/12/23 13:13, Chuck McCown via AF wrote: Back in the day, just sniffing the ethernet would get you all the

Re: [AFMUG] mail servers

2023-03-12 Thread Robert Andrews
The original Usenet email had the actual path to a major server (ATT, UCB, UCSB, etc... ) in the beginning every email address, pretty hard not to know the path of the users back then... On 3/12/23 13:01, Forrest Christian (List Account) wrote: Internet email isn't anonymous,  never was.  Even

Re: [AFMUG] mail servers

2023-03-12 Thread Mike Hammett
Proxmox Mail Gateway and Zimbra. Kick your feet up and move on with life. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Chuck McCown via AF" To: af@af.afmug.com Cc: "Chuck McCown" Sent:

Re: [AFMUG] mail servers

2023-03-12 Thread Chuck McCown via AF
Back in the day, just sniffing the ethernet would get you all the email flying around your company. Was kinda fun. I know one guy that would purposely jam another’s outgoing email. Once he detected who it was from he would just turn on transmit. This was on a CSMA/CD coaxial network.

Re: [AFMUG] mail servers

2023-03-12 Thread Forrest Christian (List Account)
Internet email isn't anonymous, never was. Even in the early days. There has always been a multitude of ways to track email back to the origin server. And there has been a multitude of ways to obfuscate but not hide that origin. Any anonymity you may have is based on the origin server either

Re: [AFMUG] mail servers

2023-03-12 Thread Darin Steffl
You can't spoof SPF or DKIM unless you also have access to a domain's dns records. On Sun, Mar 12, 2023, 2:17 PM Jan-GAMs wrote: > Because 45 years ago my company was connected to the rest of itself via > the arpanet and they promised us on a stack of bibles that those who used > the email

Re: [AFMUG] mail servers

2023-03-12 Thread Forrest Christian (List Account)
I've run, successfully, my own email server. It isn't that hard. Had to in the early days. Pain in the ass to maintain and manage, yes. Pain to get running, not so much. It's a big enough pain to run on an ongoing basis that I choose to pay someone else to do it nowadays. As far as

Re: [AFMUG] mail servers

2023-03-12 Thread Chuck McCown via AF
Punchcards buttons and switches.Sent from my iPhoneOn Mar 12, 2023, at 8:55 AM, Bill Prince wrote:CLI rules.--bppart15sbs{at}gmail{dot}comOn Sun, Mar 12, 2023 at 7:34 AM Forrest Christian (List Account) wrote:I can insert a spoofed email using only telnet to port 25 on a

Re: [AFMUG] mail servers

2023-03-12 Thread Bill Prince
CLI rules. -- bp part15sbs{at}gmail{dot}com On Sun, Mar 12, 2023 at 7:34 AM Forrest Christian (List Account) < li...@packetflux.com> wrote: > I can insert a spoofed email using only telnet to port 25 on a mail server > in about 30 seconds not counting the time it takes to type the message >