Related to email protocols, clients, servers, content, and message format.

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2answers
51 views

Getting sudden spam emails with my name and city

The last three days I've been getting email spam to my Gmail account with some variation of the following body content: Hey [my name], are you from [my city]? And then there will be some random key ...
6
votes
1answer
178 views

Possible for Lync (Skype for Business) to adopt Activesync-style policies?

My compliance manager recently told me that Lync IMs should be treated as e-mail for compliance purposes. This also made me realize that our other email policies (encrypted device, pin required, etc)...
3
votes
1answer
56 views

Why does the ProtonMail Android app require Identity permissions?

The ProtonMail Android app is supposed to be a privacy-centered alternative for data-mined email services such as Gmail, Yahoo, and Outlook. If this is truly the case, why does the Android app require ...
3
votes
1answer
126 views

How to secure/cleanup my accounts after having an old email account breached

I have two email accounts. My main one that I created a few years ago and switched to, which has a very strong/unique password that is not written down or stored anywhere. It also has 2-factor auth ...
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1answer
116 views

How is the username and password captured on this mobile device?

I have a Motorola phone, and I am concerned about my privacy after reading this article : http://www.beneaththewaves.net/Projects/Motorola_Is_Listening.html The poster says: For both of these ...
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1answer
19 views

Incoming email with smime.p7s attachment

This is a scenario I have at work. We're receiving emails with .p7s attached files from a single user of a company(hence the company domain for eg. abc.com) our users interact with via mail. We use ...
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1answer
36 views

Which is better: detecting spam at receiver or source?

Background I researched a detection of spam sent out using bots. After studying different techniques used by bots to deliver spam, I have no generalised solution to detect spamming at the source ...
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1answer
40 views

s/mime edit an existing certificate

We are using an encryption appliance that is capable of creating S/MIME certificates for internal users. The appliance is synchronizing with AD to get the user. When the certificate is created it will ...
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1answer
36 views

relationship between anti-spam solutions and whois databases

Are there anti-spam SMTP proxies(like ASSP, qpsmtpd) or e-mail spam filtering solutions in general(like SpamAssassin) out there which create for example block filters based on objects in RIR databases?...
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1answer
495 views

Corporation Best Practices for Encrypting Locally Stored Email Data

Since the recent Sony hacks took place, the attackers have published troves of data from users' email accounts. Some of this data is very detrimental to the company's image. I suspect that based on an ...
-3
votes
1answer
103 views

Spam email sent to my contacts pretending to be me.

I just found out someone has been sending spam emails to my contacts. I first thought that my account was hacked, but the emails aren't coming from my account but from a weird email address (my name ...
2
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0answers
40 views

How should end users respond to Earthlink's “Allowed Sender” feature when blocked by policy?

Some of our users are requested to click on an Earthlink antispam URL below https://webmail.pas.earthlink.net/wam/addme?a=USERNAME@earthlink.net&id=<SOME GUID> However our firewall ...
2
votes
0answers
87 views

Are old Android WebViews a risk to Activesync email, and how do I block old devices?

I'm concerned that old versions of Android may be hacked through unpatched WebViews (in PhoneGap and other apps), exposing Activesync email data, and other sensitive information. To mitigate this, ...
2
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0answers
71 views

Creating New Acc in Mac Mail 1st Connect to Server not SSL is uname & pw tx secure?

It appears that whenever you set up a new mail account on Mac Mail on OS X (or iPhone, iPad etc), that as soon as you enter the server and the mail account user name and password, Mac Apple-Mail tries ...
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0answers
40 views

What should I do when I find out some company user database I am listed in was leaked?

Today the antispam tool in the company I work for blocked several emails. It has been months since last time, so I took the time to analyze the quarantined messages. Since I almost never give my ...
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0answers
112 views

What vulnerability is this malicious document attempting to exploit

CLARIFICATION: I changed the title as people were interpreting this as a request to help understand the code. I explain what the code is doing below (critiques on this analysis are welcome.) I am ...
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0answers
258 views

USA PATRIOT Act and Office 365

I have a local Exchange server, which has several spam and email reception issues (Due to an expired subscription to a spam filtering system). I was looking at the Office 365 Exchange Online ...
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0answers
153 views

Why is my website getting spammed?

Does anyone recognize this type of spam? NAME: Bagas EMAIL: dq95zxm7l@gmail.com PHONE: JCBUIR6ulwtO COMMENTS: I must express apaotcipeirn to the writer for bailing me out of this particular ...
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0answers
254 views

Accessing the Exchange EWS API with safety in mind

I'm new to the security stack exchange, so feel free to edit the question or redirect me to another forum if this is not fitting. I'm currently working on a web application that will allow the user ...
1
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0answers
88 views

what security features a good Email Service Provider (for marketing) should have?

To choose the right Email Service Provider (ESP) for e-mail marketing processes, what are security requirements and checklists that we should pay attention to and ask for from vendors? In other ...
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0answers
144 views

How should an ISP approach Mutual Auth TLS for SMTP email? (Domain Auth Email)

I'm looking for an easy to deploy way to make email clients (MUAs) display my email messages in a secure manner. PGP and SMIME both do this today, but they are high touch, and require software or ...
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0answers
325 views

Using email to authorize access to a user's account

would greatly appreciate some advice from the experts here on this stackexchange. I'm building an application that requires access to a user's resources from a 3rd party application. This 3rd party ...
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0answers
82 views

How to secure Outlook [Resolved]

I was curious on some best practices for securing Outlook against hackers. The data transmitted between the email server and client are almost always encrypted these days but I haven't seen a great ...
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0answers
50 views

How to manage security for multiple PC and VM?

I have a firewall VM which creates I have used to setup subnet for different purposes. For example: (fake ips, of course) 1.1.2.1/24 DMZ 1.1.3.1/24 Internal 1.1.5.1/24 security/logging I use ...
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0answers
45 views

Certificate not showing up for signing in Outlook

I have a new ECA certificate installed on my Windows 7 machine, but when I use Outlook it is not letting me change the signing certificate to the new certificate, but it does let me change the ...
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0answers
21 views

Metadata and Adding Files

If a person had files they wish to add to a computer and had physical access to the computer could the docs or emails be added with false metadata to indicate the documents had been added at a ...
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0answers
121 views

How can secure email be used while avoiding government attention?

Presumably all unencrypted email is available to federal agencies including IP addresses, header information, and email content (eg, through SMTP with or without SSL and TLS -- thunderbird has an SSL/...
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0answers
184 views

Is this login flow via an authenticated email account safe?

I want to have users log in by entering an email, and then proving that they control that email. I only care that they do control the email, and so want to avoid add another password to the process if ...
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0answers
33 views

Preventing denial of email (Gmail)

Case 1: The attacker is or has access to MITM the ISP(3g/2g). The ISP also happens to be the GSM company. This could be because of police supervision. He is forced to use computer with a backdoor. ...