[olug] Cox and port 25

nrotschafer at geniussystems.net nrotschafer at geniussystems.net
Mon Jun 30 16:14:48 UTC 2003


That is broke so apparently if you have a mail server inside cox's network it is
fine but outside it is not...

Nate

Quoting Brian Roberson <roberson at olug.org>:

> telnet olug.org 25
>
>
> ----- Original Message -----
> From: "Nathan Rotschafer" <olug at geniussystems.net>
> To: "Omaha Linux User Group" <olug at olug.org>
> Sent: Monday, June 30, 2003 8:31 AM
> Subject: Re: [olug] Cox and port 25
>
>
> > I can say that my server (also on a Cox network...fiber link to be exact)
> > works fine from my residential service site, but I have not tried another
> > server as I have no other server off the cox network to try...anyone wanna
> > give me an account to try and see??
> >
> > Nate
> >
> > On Monday 30 June 2003 08:34 am, Tim V - DZ wrote:
> > > I 'support' three small business owners in the area...as in the rent
> > > space, have employees and such (not a little guy working out of his
> > > basement kinda thing).  As a precaution after seeing jeff's and
> > > subsequent posts I emailed them to see if they could email me back.  I
> > > sent the email on Friday just after 9 AM. All three called before the
> > > morning was over, and over the phone I was able to convey how to change
> > > the smtp server to cox's, which fixed the problem.
> > >
> > > I'm not sure how the port 25 block is actually implemented...i'd imagine
> > > that it's an 'edge-based' thing and as long as you're connecting from a
> > > computer on the cox network to a server that on the cox network you'd be
> > > OK...i'm not sure that's what you were getting at in you # 1 or not
> > > though...anyone with easy access to cox addresses at 2+ locations to
> > > try?
> > >
> > > -t
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
> > > Bob McCoy
> > > Sent: Monday, June 30, 2003 7:44 AM
> > > To: 'Omaha Linux User Group'
> > > Subject: RE: [olug] Cox and port 25
> > >
> > > Tim V - DZ said:
> > > > Cox at work customers are effected also.
> > >
> > > OK.  I'm always one of the first to say, "I may be confused."  But
> > > please tell me where you came up with your $0.02 worth.  Because here
> > > are my observations:
> > >
> > > 1.  I maintain mail servers for two different Cox at Work customers.
> > > Neither have been effected by the block.  Both can telnet to port 25 on
> > > any valid mail server.
> > >
> > > 2.  I called Cox Business customer service and they said that they have
> > > not applied a universal block to port 25 traffic for their business
> > > customers.
> > >
> > >     A.  They did say that some businesses mistakenly come up with DHCP
> > > which will give them a residential IP.  In which case, they get the
> > > block.
> > >
> > >     B.  They also said that individual spammers will get blocked.
> > >
> > > So what gives here?  You're not the only one to say that @Work customers
> > > are also effected.  I just want to know what that's based on.
> > >
> > > Bob
> > >
> > > -----Original Message-----
> > > From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
> > > Tim V - DZ
> > > Sent: Sunday, June 29, 2003 11:13 PM
> > > To: 'Omaha Linux User Group'
> > > Subject: RE: [olug] Cox and port 25
> > >
> > >
> > > Cox at work customers are effected also.
> > >
> > > $0.02
> > >
> > > -t
> > >
> > > -----Original Message-----
> > > From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
> > > Bob McCoy
> > > Sent: Sunday, June 29, 2003 8:55 AM
> > > To: 'Omaha Linux User Group'
> > > Subject: RE: [olug] Cox and port 25
> > >
> > > To Nathan's point about running a valid business and work at home, Cox
> > > would probably maintain that you should be using Cox at Work and not
> > > Cox at Home.
> > >
> > > From the acceptable use policy
> > > <http://support.cox.net/custsup/policies/acceptableuse.shtml#aup>:
> > > Commercial Use.  The Service is designed for personal use of the
> > > Internet and may not be used for commercial purposes.  You may not
> > > resell or otherwise charge others to use the residential Service.  You
> > > agree not to use the Service for operation as an Internet service
> > > provider, or for any other business enterprise, including, without
> > > limitation, IP address translation, or similar facilities intended to
> > > provide additional access.
> > >
> > > I'm not saying it's right.  I'm just saying that you wouldn't get a lot
> > > of sympathy from Cox for your argument.
> > >
> > > I do not work for Cox.  I am not siding with Cox.  Nor do I wish to
> > > argue about the Cox at Work pricing structure, the fact that life is
> > > unfair, or anything else.  However, as a sidebar, I have observed that
> > > our Cox at Work connection at the office is not affected by the port 25
> > > block (yet).
> > >
> > > Now if you're using Cox at Work and have this issue, I truly apologize for
> > > mischaracterizing your email and I believe you have a legitimate case.
> > > Otherwise, I think you're just stuck like the rest of us.
> > >
> > > Bob
> > >
> > > -----Original Message-----
> > > From: olug-bounces at olug.org [mailto:olug-bounces at olug.org] On Behalf Of
> > > Jay Hannah
> > > Sent: Saturday, June 28, 2003 10:56 PM
> > > To: Omaha Linux User Group
> > > Subject: Re: [olug] Cox and port 25
> > >
> > >
> > >
> > > What a strange situation... I never thought I'd be defending Cox when
> > > they (once again) block something and piss me off. I guess I'm just a
> > > lot angrier at spammers nowadays than ISP who try to fight them...
> > >
> > > Anyhoo, here's two more cents:
> > >
> > > "Nathan Rotschafer (OLUG)" wrote:
> > > > Now consider I run a valid business and work from home and need to
> > > > send company email from my house what do I do?  If the email comes
> > > > through Cox's servers some place will tag it as spam or refuse
> > > > delivery based upon the fact that it is "forged".  Now what do I do?
> > > > In my opinion Cox just put a major blow to work from home business
> > > > people and that is completely unacceptable.
> > >
> > > [deletia]
> > >
> > >
> > >
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