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Adam Katz's user avatar
Adam Katz's user avatar
Adam Katz's user avatar
Adam Katz
  • Member for 10 years, 3 months
  • Last seen more than a week ago
2 votes

Why does DKIM verification succeed with a signature from Yahoo when all headers are spoofed to look like GMail?

2 votes
Accepted

DMARC policy result when exactly one of SPF and DKIM fails and exactly one succeeds

2 votes
Accepted

Spoofed digitally signed email

2 votes

Addressing unsubscribe link leakage when an email is forwarded

2 votes
Accepted

How secure is connecting to a machine behind a router with SSH tunnels using a 3rd machine that has static IP address?

1 vote
Accepted

How to identify the phishing email originates from a compromised account or a compromised server?

1 vote

How to determine if a scanner finding a virus in my email is a false positive?

1 vote

changing defaults when generating new SSH server keys

1 vote
Accepted

How can I as middleman verify whether a phishing site is valid if the scam listens only on the referrer link and blocks any other access methods?

1 vote

Failed to send emails that I never sent

1 vote

Bots trying to spoof encoded email links, but why?

1 vote

Prove a received mail came from a company email when company is tampering on their side

1 vote

Can a custom return path make SPF redundant

1 vote

Evaluating spam score for a single page application

1 vote
Accepted

relationship between anti-spam solutions and whois databases

1 vote

Hidden service security SSH

1 vote

How to verify personal information (identity)?

1 vote

how is strength of password calculated from standard keyboard patterns?

1 vote

How to secure shared user on build server?

1 vote
Accepted

Does verifying an additional fraction of a file decrease the chances of collision?

1 vote

Questions regarding Rakshasa

1 vote
Accepted

For which time-frame should we assume quantum computers?

1 vote
Accepted

What type of hash is this MD4(MD4(($pass)).(strtolower($username)))

1 vote
Accepted

Detect SSH InBound / Oubound Connections

1 vote

Image steganography and tracking

1 vote

How to handle disk encryption for remote connection?

1 vote

Are there any two way + two factor authentication systems in use?

1 vote
Accepted

Why don't applications suggest passwords themselves?

1 vote
Accepted

Should password strength validation also be run server-side or only client-side?

1 vote

Is a sufficiently long password unsafe just because it only consists of 2-3 letter long mixed-case dictionary words and numbers?

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