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Various techniques are used to prevent email spam (unsolicited bulk email). No technique is a complete solution to the spam problem, and each has trade-offs between incorrectly rejecting legitimate email (false positives) vs. not rejecting all spam (false negatives) - and the associated costs in time and effort. Anti-spam techniques can be broken into four broad categories: those that require actions by individuals, those that can be automated by email administrators, those that can be automated by email senders and those employed by researchers and law enforcement officials.
Looking for other way to look at spamming issue on a vps hosted server we DO NOT use as mail server.
We simply us it to host sites we build/maintain, and DNS manager that points MX records to our in…
We are asking EE what is their experience in web sites that does online scanning of apps that may be infected by spyware, viruses or malware.
We have used VirusTotal but wanted to know how reliab…
When I get a suspicious email, I use a macro to extract its body and main headers and display them in Notepad.
I always assumed that because I was processing text data this was a pretty s…
On one specific website ( https://wattsupwiththat.co
We have ran a series of apps for vulnerability in one our computers. We ran:
Spybot-S&D Start Center
SUPERAntiSpyware Free Edition
COMODO Internet Security
This customer has an application developed in vb6 long ago...
it works fine but some of its modules... exe files with size less than 500 kb are being blocked by bit Defender...
what can I do when I am listed on some blacklists.
For some reason we are listed on 2 lists.
Firewall is setup and all other spam settings are up to date.
Do you have any ideas ?
Whats the best form of protection for exchange 2016.. I have mx records passing through mxguarddog which is doing a pretty good job. But I want to know what's the best software to install directl…
I have a client that has an email server and they send out bulk mail and a lot of messages are getting in peoples spam folder. The emails are sent to people that want them. Anything to look for to ens…
Recently I have to configure new Spam filter on my Exchange server 2003.
The mx record looked like this before change;
xxx.com MX mail.xxx.com
mail.xxx.com A 22.214.171.124(my exchange server)…
I've migrated from exchange 2007 to ex2013. Since the migration, users have been reporting excessive spam. It looks like users outlook junk folders is not picking up the junk mail. Is there anything i…
We have an Exchange 2013 infrastucture . 2 Edge servers , 2 CAS and 2 MBX . Infront of all this we use an antispam cloud service. Filtering is disabled in Edge Servers.
I have a stra…
One of our users on Exchange Server has been receiving messages from our system with the subject "Undeliverable..." from "Mail System Delivery". We've determined that the one user's email address has…
is anyone familiar with this tool: 'Kaspersky Anti-Ransomware Tool for Business'.
what is your opinion on it ?
is it free ?
I'm looking for more questions for users which should cover areas like:
a) Spam emails
c) Malwares & AV
d) Physical security
e) Data Confidentiality
f) Password & password complexit…
Hi, we have a secure web portal that sends us an email when someone logs in and makes some changes to their account. It is handled and hosted by the developer. It worked fine for a long time but recen…
Recently I setup an Exchange 2016 server with Edge Transport server. I configured the IP Block List Providers, and reject emails from Exchange hosted domain (eg. the domain hosted in e…
Try to add a domain to Barracuda Email Security Gateway virtual appliance but it doesn't work. My domain is "abc.com.hk" but it seem that it only allow "abc.com". The message is "must be a domain nam…
I have a client who is using a bit of a strange setup. He receives mail directly via SMTP, it is first received by his sophos firewall SMTP proxy. The firewall calls out mail that is received…
I have a customer who uses a hosted Exchange server to handle emails from Outlook etc for their staff. They also have a questionnaire that they send out to customers via their website which is sent v…
Want to setup a spam gateway, any suggestions?
It should be software base so that I can test before purchasing.
From our AV & antispam reports, it could not segregate out which ones are ransomware.
I'll need this for management report.
Anyone has a list of ransomware names to date?
Attached is a list w…
Someone is sending spam emails to my contacts using my email account. I don't know how he does it. I know that this is happening because a lot of Message Delivery Failure emails are finding their way …
Ransomware continues to be a growing problem for both personal and business users alike and Antivirus companies are still struggling to find a reliable way to protect you from this dangerous threat.
Forget those services on TV trying to sell you software – that’s step one. Almost all of the software you need should be available for free. The tricky part is doing the work. If you are not comfortab…
Operating system developers such as Microsoft (https://www.microsoft.com