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mu — Index and search emails from a local Maildir. More information: <https://man.cx/mu>.

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Problem

How to use the mu command: Index and search emails from a local Maildir. More information: <https://man.cx/mu>.

Solution

mu — Index and search emails from a local Maildir. More information: <https://man.cx/mu>.

Initialize the email database, optionally specifying the Maildir directory and email addresses:
mu init --maildir={{path/to/directory}} --my-address={{name@example.com}}


Index new emails:
mu index


Find messages using a specific keyword (in message body, subject, sender, ...):
mu find {{keyword}}


Find messages to Alice with subject jellyfish containing the words apples or oranges:
mu find to:{{alice}} subject:{{jellyfish}} {{apples}} OR {{oranges}}


Find unread messages about words starting with soc (the * only works at the end of the search term) in the Sent Items folder:
mu find 'subject:{{soc}}*' flag:{{unread}} maildir:'/{{Sent Items}}'


Find messages from Sam with attached images, between 2 KiB and 2 MiB, written in 2021:
mu find 'mime:{{image/*}} size:{{2k..2m}} date:{{20210101..20211231}} from:{{sam}}


List contacts with Bob in either name or email address:
mu cfind {{Bob}}

Code Snippets

Initialize the email database, optionally specifying the Maildir directory and email addresses

mu init --maildir={{path/to/directory}} --my-address={{name@example.com}}

Index new emails

mu index

Find messages using a specific keyword (in message body, subject, sender, ...)

mu find {{keyword}}

Find messages to Alice with subject `jellyfish` containing the words `apples` or `oranges`

mu find to:{{alice}} subject:{{jellyfish}} {{apples}} OR {{oranges}}

Find unread messages about words starting with `soc` (the `*` only works at the end of the search term) in the Sent Items folder

mu find 'subject:{{soc}}*' flag:{{unread}} maildir:'/{{Sent Items}}'

Context

tldr-pages: common/mu

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