Trivia questions and answers, drawn fresh from the well

• Hard Hard difficulty.
• Discord

In what year did Discord surpass 100 million monthly active users?

Answer

2020

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• Hard Hard difficulty.
• Discord

What was the codename for Discord during its development?

Answer

Eris

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• Hard Hard difficulty.
• Email

What is the minimum message size a server must accept per RFC 5321?

Answer

64 kilobytes

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• Hard Hard difficulty.
• Email

What is the maximum line length allowed in an email message per RFC 5322?

Answer

998 characters

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• Intermediate Intermediate difficulty.
• Email

What cryptographic algorithm is most commonly used in DKIM signatures?

Answer

RSA

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• Intermediate Intermediate difficulty.
• Email

How much storage did Gmail offer at its launch in 2004?

Answer

1 GB

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• Intermediate Intermediate difficulty.
• Email

What year was the first MIME email attachment sent?

Answer

1992

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• Intermediate Intermediate difficulty.
• Email

What protocol is commonly used by mobile devices to push email notifications from Microsoft Exchange?

Answer

Exchange ActiveSync

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• Intermediate Intermediate difficulty.
• Email

What is the name of the email encryption standard that uses certificates issued by a Certificate Authority?

Answer

S/MIME

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• Intermediate Intermediate difficulty.
• Email

What anti-spam method temporarily rejects emails from unknown senders to delay delivery?

Answer

Greylisting

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• Intermediate Intermediate difficulty.
• Email

What is the name of the email client originally developed by the University of Washington for Unix?

Answer

Pine

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• Easy Easy difficulty.
• Email

What is the name of the mailbox format that stores each email as a separate file?

Answer

Maildir

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