Re: SMTP Outbound

[Ken Connelly <Ken.Connelly () UNI EDU>]

We don't restrict outbound tcp/587.  No issues of which I am aware.

- ken

On 2/13/14, 7:46 AM, Di Fabio, Andrea wrote:
> We only allow 25 in/out to/from our email servers but we do allow 587
> out as we found that many email clients, especially on mobile devices,
> will use this port. So the new question is, are you allowing TCP 587
> out of your network without restriction and have you seen any issue
> with doing that? We have not seen any issues thus far.
>
>  
>
> Andrea Di Fabio, CISO
>
> Director, IT Security and Network
>
> Norfolk State University
>
> Office of Information Technology
>
> Marie V. McDemmond Center for Applied Research, Rm 401M
>
> 555 Park Avenue, Suite 401
>
> Norfolk, Virginia 23504
>
> 757-823-2896 Office
>
> 757-823-2128 Fax
>
>  
>
> NSU email communication is subject to permanent archival, it is
> covered under the Freedom of Information Act (FOIA), and may be
> partially or fully disclosed.
>
>  
>
> *From:*The EDUCAUSE Security Constituent Group Listserv
> [mailto:SECURITY () LISTSERV EDUCAUSE EDU] *On Behalf Of *Robert Henry
> *Sent:* Wednesday, February 12, 2014 5:35 PM
> *To:* SECURITY () LISTSERV EDUCAUSE EDU
> *Subject:* [SECURITY] SMTP Outbound
>
>  
>
> This is a simple, non-scientific poll, please respond off-list and I
> will share the results with the list.
>
>  
>
> Do you block SMTP traffic, port 25, outbound at your border firewall?
>
>  
>
> Thanks!
>
> --Bob
>
>
> --
> Robert Henry, CISSP
> Chief Information Security Officer
> Santa Clara University
> rhenry () scu edu <mailto:rhenry () scu edu>
> 408-554-5554
> http://www.scu.edu/is/secure

-- 
- Ken
=================================================================
Ken Connelly             Associate Director, Security and Systems
ITS Network Services                  University of Northern Iowa
email: Ken.Connelly () uni edu   p: (319) 273-5850 f: (319) 273-7373

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