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

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7
votes
3answers
430 views

How Reliably do mail systems transmit Encrypted PDFs

We have an solution design that will be sending Encrypted PDF's to our many clients, who will all be using varied email providers. We have tested the pdf's through the usual cast of internet mail ...
1
vote
2answers
825 views

What are some secure methods of sending email from your server?

This question title might seem a little vague, and I apologize for that. Let me just begin by stating I'm an engineering psychologist—not an IT security or computer guru by trade. As luck would have ...
32
votes
2answers
7k views

What malicious things can happen when clicking on links in email?

I've received a spam from one of my friends (well I'm sure he didn't send it). so there's this link, and i'd thought what exactly would be the implications of clicking the link (i've not clicked it ...
11
votes
6answers
2k views

Identity-Based Encryption - how secure is it?

I was always taught never to invent my own crypto algorithm, and never to trust someone who has a proprietary algorithm. I'm looking at Voltage SecureMail, which uses IBE (identity-based encryption) ...
6
votes
3answers
282 views

How do I securely exchange server logins with remote developers?

I work for a virtual organization (we're all remote) that uses a lot of freelancers/subcontractors. Very often I need to exchange SSH login information with developers working on projects for us. How ...
3
votes
2answers
267 views

Legal process for suing joejobber?

I'm currently being joejobbed, and want to sue the joejobber. Details: I have real damages: the joejob causes me to receive fake bounces, which: stop/delay my receipt of legitimate mail, since ...
3
votes
1answer
356 views

quizrace.com - Malware or just a game?

This quizrace.com quiz game is spreading like a virus all over internet forums and sites like 4cahn, minecraft etc (just google for it) - because it requires you to invite 3 friends to continue beyond ...
2
votes
2answers
467 views

Is it a security issue that Thunderbird only logically deletes emails?

I have several e-mail accounts configured in Thunderbird. I just wanted to move an e-mail from one of my e-mail accounts [A] Trash folder to another accounts [B] Inbox folder. Because the moved e-mail ...
11
votes
2answers
2k views

Does my PGP key really need to match the e-mail address for which I'll be using it?

In considering whether or not I want to join the big web o' trust and put my keys on a key server, I got to thinking about how it would affect my e-mail address' exposure. I generally try to keep my ...
2
votes
1answer
235 views

Is the Gmail activity log still missing activesync?

Is the Gmail activity log still missing activesync as described in this blog post? As it is "someone with my credentials could be reading and sending [email] messages with my account" without that ...
8
votes
4answers
549 views

How to ensure account security when accessing emails when overseas?

First of all, I hope this is the right stackexchange to ask this. Seems to be most relevant here. Now, if one is planning to go overseas and he/she has a lot of data on the email account (say, gmail) ...
6
votes
2answers
1k views

spam with my own domain

At my work we have a very tricky issue with spam. We use postfix, and recently began to receive several spams mail with our own domain. This is obviously very prejudicial for us, because many ...
6
votes
4answers
268 views

Circumventing a “freemail” account form filter

I'll be honest - I want to download a free PDF from a website which requires me to enter my "non freeware" email address. I do have them, but I dont want to use one as I'm afraid of landing up on a ...
6
votes
3answers
1k views

PHP mail() Header Injection Prevention

This site nicely explains the problem. Essentially, nearly all php mail() examples that are given are vulnerable to header injection attacks. The referenced site gives a regex sanitation solution ...