Dump IMAP inbox to a local folder in a regular backupable format: HTML, PDF, JSON and attachments.
This program aims to save a mailbox for archive using files in indexable or searchable formats. The produced files should be readable without external software, for example, to find an email in backups using only the terminal.
For each email in an IMAP mailbox, a folder is created with the following files:
| File | Description |
|---|---|
| message.html | If an html part exists for the message body. the message.html will always be in UTF-8, the embedded images links are modified to refer to the attachments subfolder. |
| message.pdf | This file is optionally created from message.html when the wkhtmltopdf option is set in the config file. |
| attachments | The attachments folder contains the attached files and the embeded images. |
| message.txt | This file contain the body text if available in the original email, always converted in UTF-8. |
| metadata.json | Various informations in JSON format, date, recipients, body text, etc... This file can be used from external applications or a search engine like Elasticsearch. |
| raw.eml.gz | A gziped version of the email in .eml format. |
Imapbox was designed to archive multiple mailboxes in one common directory tree, copies of the same message spread knew several account will be archived once using the Message-Id property.
This script requires Python 3 for master branch or python 2 on the python2 branch and the following libraries:
- six
- chardet – required for character encoding detection.
- pdfkit – optionally required for archiving emails to PDF.
- I use the script to merge all my mail accounts in one searchable directory on my NAS server.
- Report on a website the content of an email address, like a mailing list.
- Sharing address of several employees to perform cross-searches on a common database.
- Archiving an IMAP account because of mailbox size restrictions, or to restrain the used disk space on the IMAP server.
- Archiving emails to PDF format.
Use ./config.cfg ~/.config/imapbox/config.cfg or /etc/imapbox/config.cfg
Example:
[imapbox]
local_folder=/var/imapbox
days=6
wkhtmltopdf=/opt/bin/wkhtmltopdf
[account1]
host=mail.autistici.org
username=username@domain
password=secret
ssl=True
[account2]
host=imap.googlemail.com
username[email protected]
password=secret
remote_folder=INBOX
port=993Possibles parameters for the imapbox section:
| Parameter | Description |
|---|---|
| local_folder | The full path to the folder where the emails should be stored. If the local_folder is not set, imapbox will download the emails in the current directory. This can be overwritten with the shell argument -l. |
| days | Number of days back to get in the IMAP account, this should be set greater and equals to the cronjob frequency. If this parameter is not set, imapbox will get all the emails from the IMAP account. This can be overwritten with the shell argument -d. |
| wkhtmltopdf | (optional) The location of the wkhtmltopdf binary. By default pdfkit will attempt to locate this using which (on UNIX type systems) or where (on Windows). This can be overwritten with the shell argument -w. |
You can have has many configured account as you want, one per section. Sections names may contains the account name.
Possibles parameters for an account section:
| Parameter | Description |
|---|---|
| host | IMAP server hostname |
| username | Login id for the IMAP server. |
| password | (optional) The password will be saved in cleartext, for security reasons, you have to run the imapbox script in userspace and set chmod 700 on your ~/.config/mailbox/config.cfg file. The user will prompted for a password if this parameter is missing. |
| remote_folder | (optional) IMAP folder name (multiple folder name is not supported for the moment). Default value is INBOX. You can use __ALL__ to fetch all folders. |
| port | (optional) Default value is 993. |
| ssl | (optional) Default value is False. Set to True to enable SSL |
| Property | Description |
|---|---|
| Subject | Email subject |
| Body | A text version of the message |
| From | Name and email of the sender |
| To | An array of recipients |
| Cc | An array of recipients |
| Attachments | An array of files names |
| Date | Message date with the timezone included, in the RFC 2822 format |
| Utc | Message date converted in UTC, in the ISO 8601 format. This can be used to sort emails or filter emails by date |
| WithHtml | Boolean, if the message.html file exists or not |
| WithText | Boolean, if the message.txt file exists or not |
The metadata.json file contain the necessary informations for a search engine like Elasticsearch.
Populate an Elasticsearch index with the emails metadata can be done with a simple script.
Create an index:
curl -XPUT 'localhost:9200/imapbox?pretty'Add all emails to index:
#!/bin/bash
cd emails/
for ID in */ ; do
curl -XPUT "localhost:9200/imapbox/message/${ID}?pretty" --data-binary "@${ID}/metadata.json"
doneA front-end can be used to search in email archives:
jq is a lightweight and flexible command-line JSON processor.
Example command to browse emails:
find . -name "*.json" | xargs cat | jq '[.Date, .Id, .Subject, " ✉ "] + .From | join(" ")'Example with a filter on UTC date:
find . -name "*.json" | xargs cat | jq 'select(.Utc > "20150221T130000Z")'version: '3'
services:
imapbox:
image: mauricemueller/imapbox
container_name: imapbox
volumes:
- imapbox_data:/var/imapbox
# change the path to the config
- ./test/config.cfg:/etc/imapbox/config.cfg
volumes:
imapbox_data:
docker-compose run --rm imapbox
docker logindocker-compose builddocker tag imapbox:latest [USERNAME]/imapbox:latestdocker push [USERNAME]/imapbox:latest
NoPriv is a python script to backup any IMAP capable email account to a browsable HTML archive and a Maildir folder.
The MIT License (MIT)
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