Question: What Is Mail Spool in Linux?
Contents

A mail spool is a file that stores the mail header (i.e. sender’s address, time of delivery, etc.) and message body of every email for a particular account. Sendmail uses mail spools; qmail does not. On a VPS, mail spools are located in the /var/spool directory.

What is a mail spool?

Mail spool shows emails that are waiting to be delivered or have returned an error. You can apply filters and take action on these emails. Mail logs. Mail logs show the list of all emails.

What is spool Linux?

/var/spool contains data which is awaiting some kind of later processing. Data in /var/spool represents work to be done in the future (by a program, user, or administrator); often data is deleted after it has been processed.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.

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