[Fed-Talk] RE: Fed-talk Digest, Vol 3, Issue 113
[Fed-Talk] RE: Fed-talk Digest, Vol 3, Issue 113
- Subject: [Fed-Talk] RE: Fed-talk Digest, Vol 3, Issue 113
- From: "Buxbaum, Laurence" <email@hidden>
- Date: Tue, 2 May 2006 13:27:09 -0400
- Thread-topic: Fed-talk Digest, Vol 3, Issue 113
I think the VA blocks all other ports except 25. As a University of Penn
faculty member I do need access to the Penn emails as part of my job. I
am not sure if that qualifies as a mission requirement. Since I do not
run Windows I cannot be a risk to disseminate Windows Trojan Horses.
Larry
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Sent: Saturday, April 29, 2006 3:03 PM
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Subject: Fed-talk Digest, Vol 3, Issue 113
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Today's Topics:
1. Re: Firewall email problem (Michael Kluskens)
2. Re: Firewall email problem (Don Slife)
----------------------------------------------------------------------
Message: 1
Date: Fri, 28 Apr 2006 15:18:48 -0400
From: Michael Kluskens <email@hidden>
Subject: Re: [Fed-Talk] Firewall email problem
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
On Apr 28, 2006, at 1:35 PM, Buxbaum, Laurence wrote:
> I am having trouble sending email through my university server. I
> am at
> the Philly VA and use Mail (the version with OS 10.3.9) to send and
> receive mail on my mail.med.upenn.edu account. Until about 3 weeks ago
> it was fine. Now I can receive but not send mail. It makes no security
> sense. I can send and receive just fine from home so the server is
> okay.
> In the past I used to send mail from the VA smtp server but U. Penn.
> Stopped allowing that kind of aliasing.
> Any idea what is wrong and why the VA firewall would block sending and
> not receiving. I tried Thunderbird to no avail. I can send via Webmail
> but that is very clunky and slow. I can send and receive with Outlook
> using Citrix but I need access to my university account from the VA.
If the VA firewall is truly blocking port 25 then check with the
university to see if they have bothered to configure an alternative
mail submission port, like 587 for example. Possibly with SSL / TLS
encryption and logins.
This is normal, only registered email servers are permitted to exit
an organization because of all the Windows trojan spam engines.
Michael
------------------------------
Message: 2
Date: Fri, 28 Apr 2006 14:21:06 -0500
From: Don Slife <email@hidden>
Subject: Re: [Fed-Talk] Firewall email problem
To: "Buxbaum, Laurence" <email@hidden>
Cc: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
The VA has probably blocked outbound port 25 (smtp) access for
anything but the VA mail server. When you receive email you are
either using POP or IMAP, which run on a different port, so that's
why you can receive. While this is annoying for you, it probably was
in response to security direction from above.
One (of many) reasons to block outbound port 25 connections is many
viruses that propagate through email don't actually use your mail
server to spread. They infect your client machine, and then start
sending mail directly from your machine to all the targets they can
find. By blocking port 25 these types of viruses can't spread.
If you have a mission requirement to use the upenn.edu account there
should be process to get a firewall waiver, however if it is a
personal reason you're probably stuck.
On Apr 28, 2006, at 12:35 PM, Buxbaum, Laurence wrote:
> I am having trouble sending email through my university server. I
> am at
> the Philly VA and use Mail (the version with OS 10.3.9) to send and
> receive mail on my mail.med.upenn.edu account. Until about 3 weeks ago
> it was fine. Now I can receive but not send mail. It makes no security
> sense. I can send and receive just fine from home so the server is
> okay.
> In the past I used to send mail from the VA smtp server but U. Penn.
> Stopped allowing that kind of aliasing.
> Any idea what is wrong and why the VA firewall would block sending and
> not receiving. I tried Thunderbird to no avail. I can send via Webmail
> but that is very clunky and slow. I can send and receive with Outlook
> using Citrix but I need access to my university account from the VA.
>
>
> -----Original Message-----
> From: fed-talk-bounces+laurence.buxbaum=email@hidden
> [mailto:fed-talk-bounces+laurence.buxbaum=email@hidden] On
> Behalf Of email@hidden
> Sent: Thursday, April 27, 2006 3:04 PM
> To: email@hidden
> Subject: Fed-talk Digest, Vol 3, Issue 111
>
> Send Fed-talk mailing list submissions to
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> To subscribe or unsubscribe via the World Wide Web, visit
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>
> You can reach the person managing the list at
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> When replying, please edit your Subject line so it is more specific
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>
>
> Today's Topics:
>
> 1. Re: Safest way to run Windows? (Josh Wisenbaker)
> 2. three-day Podcasting and Streaming Internet Media Beta course
> May 3-5 in Austin, TX (Dave Hale)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 26 Apr 2006 19:56:09 -0400
> From: Josh Wisenbaker <email@hidden>
> Subject: Re: [Fed-Talk] Safest way to run Windows?
> To: "Pike, Michael (NNMC)" <email@hidden>
> Cc: Fedtalk List <email@hidden>
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
>
> On Apr 26, 2006, at 2:26 PM, Pike, Michael (NNMC) wrote:
>
>> I am really impressed with Parallels speed. It by far is the fastest
>> virtual machine I have ever seen (don't know if it's their
>> software or
>> the Core Duo), but it's impressive.
>
> It's helped out by the hardware virtualization (VT extensions) of the
> CoreDuo.
>
> FWIW, we have a pretty big ESX host that provides very good
> performance even with a lot of production VMs on it.
>
> Josh
>
> --
> Josh Wisenbaker, ACSA
> http://www.afp548.com
> Changing the world one server at a time.
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 27 Apr 2006 09:12:35 -0400
> From: Dave Hale <email@hidden>
> Subject: [Fed-Talk] three-day Podcasting and Streaming Internet Media
> Beta course May 3-5 in Austin, TX
> To: email@hidden
> Message-ID: <email@hidden>
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