From: Betty McBreen (mcbreen@sgs1.hirg.bnl.gov)
Date: Wed Nov 27 2002 - 11:32:12 EST
----- Original Message ----- From: "Gormezano, Marty" <Gormezano@exchange.bnl.gov> To: "Gormezano, Marty" <Gormezano@exchange.bnl.gov>; <CCB.Members@bnl.gov> Cc: "ITD Administrative Infrastructure" <ITDAdministrativeInfrastructure@exchange.bnl.gov> Sent: Wednesday, November 27, 2002 9:49 AM Subject: RE: CCB Notice For Info Only -- Upgrade of the smtp gateways-11/27/02 6:00 PM > Just a reminder please be advised that this cutover is scheduled for this > evening at 6:00 PM. This cutover effects all inbound and outbound e-mail > lab-wide, however it should be transparent to all end users. > > > -----Original Message----- > > From: Gormezano, Marty > > Sent: Tuesday, November 26, 2002 9:18 AM > > To: CCB Members > > Cc: ITD Administrative Infrastructure; ITD Production Control; Marty's > > Support Staff; Cubillos, Harold > > Subject: CCB Notice For Info Only -- Upgrade of the smtp > > gateways-11/27/02 6:00 PM > > > > Below is a CCB Notice for information only. > > > > The ITD Shared Services Group will be upgrading the SMTP gateway on > > Wednesday Nov. 27 at 6:00 pm EST. > > .------------------------------------------------------------------------- > > ------------------------------------------------- > > Change Control Board Notice > > > > Who ITD Shared Services Group > > > > What Upgrade SMTP Gateway > > > > When Wednesday Nov. 27, 2002 cutover at 6:00 pm EST > > > > Details > > The SMTP Gateway (smtpgw.sec.bnl.local) is being replaced by two > > gateway machines (smtpgw1.sec.bnl.local,smtpgw2.sec.bnl.local). > > > > NOTE: smtpgw.sec.bnl.local will be used as a round robin alias, pointing > > to both new servers. > > These machines are configured to run Mail scanner with Spamassassin for > > anti-spam, and f-prot for anti-virus. > > Mail scanner watches the inbound queue for new mail and, when found, > > runs checks to determine what kind of mail it is (plain text, HTML, > > attachments). It then runs it through Spamassasin to determine if it > > could be SPAM. If it scores high enough, the Subject line is modified to > > contain {SPAM?}. If there are any attachments, the anti-virus part takes > > over, looking for suspicious java/javascript, etc, and then passes it to > > f-prot, a commercial anti-virus product. If the e-mail is found to contain > > a virus, the file is stripped, and a notification is sent to both the > > originator and recipient that the e-mail was infected. At no > > point is email ever deleted. This processing is also running in real time > > so there is no delay other than that caused by normal system load. > > If the mail is undeliverable for any reason, it is placed in the outgoing > > queue, which is reprocessed every five minutes. For example if an email > > from an outside collaborator is to be delivered to an internal mail server > > that is down, the email is placed on the queue and will be retried at a > > later time. > > > > Currently all the informational headers are being included in the > > emails. This is for debugging purposes during the initial > > implementation. After the first month of operation these headers will > > not be attached to the emails. Windows users don't see these headers. > > Unix users do. > > -------------------------------------------------------------------------- > > ---------------------------------------------- > > > > Marty Gormezano > > Manager - Customer Support > > Information Technology Division > > (631) 344-3418 > >
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