how about a generic/general account (i.e. [email protected]) that everyone can use as the from address , then just whitelist that address?
Jean-Paul Natola > From: [email protected] > To: [email protected] > Subject: [NTSysADM] Postini -> Mimecast - external spoofing > Date: Wed, 3 Jul 2013 00:18:45 +0000 > > Well, we recently just got off of Postini for our AntiSpam service. We went > to Mimecast. This is a learning curve - but I am working through it. > > One of the things Mimecast offers is a "inbound lockout" feature. I like it > - it basically says that if an inbound email is from one of our domains > (@mydomain.com) then unless there is rule with a gateway IP address for it, > then it will block it outright. Nice, we can stop the spoofing! Yeah! > > However, I am finding that some websites have articles you can email > yourself. They ask for who from and who to. They then spoof the from going to > the target address - so if I answer [email protected] for both from and to, > then now it will be blocked by the anti-spoof rule. I think that it is very > bad form/style/etc. for the websites to do this. They should be sending from > their domain ([email protected]) instead. > > Postini didn't block these. So, now I have a bunch of folks upset about this. > They can't seem to get their articles mailed to them. I told them to spoof > someone else (hotmail, gmail, whatever). > > What do you folks do? What is your opinion on the "lockout" feature? > > > > ---------------------- > For more information about Lewis and Roca LLP, please go to > www.lewisandroca.com. > > Phoenix (602)262-5311 Reno (775)823-2900 > Tucson (520)622-2090 Albuquerque (505)764-5400 > Las Vegas (702)949-8200 Silicon Valley (650)391-1380 > > This message is intended only for the use of the individual or entity to > which it is addressed. If the reader of this message is not the intended > recipient, or the employee or agent responsible for delivering the message to > the intended recipient, you are hereby notified that any dissemination, > distribution or copying of this message is strictly prohibited. If you have > received this communication in error, please notify us immediately by > replying to the sender of this E-Mail by return E-Mail or by telephone. > In accordance with Internal Revenue Service Circular 230, we advise you > that if this email contains any tax advice, such tax advice was not intended > or written to be used, and it cannot be used, by any taxpayer for the purpose > of avoiding penalties that may be imposed on the taxpayer
