Eml emails file, extract MessageID, From and Subject

Questions
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1

I need to keep certain eml email messages in Mayan; they must be saved exactly as they are, without any modifications. The “watch folder” source should be used to upload these files in Mayan. Is there a method to extract the labels MessageID, From, and Subject from these eml files as an IMAP or POP3 source and add them to the corresponding metadata?

2

I need to keep certain eml email messages in Mayan; they must be saved exactly as they are, without any modifications.

This is the core philosophy in Mayan, files are never modified, all interactions are done with database models that represent the file and the image previews. So much so that Mayan is one of a handful of software whose documents are admissible as evidence in legal proceedings because the chain of custody is never broken.

The “watch folder” source should be used to upload these files in Mayan. Is there a method to extract the labels MessageID, From, and Subject from these eml files as an IMAP or POP3 source and add them to the corresponding metadata?

This was added in version 4.4 for .msg files (Version 4.4 — Mayan EDMS 4.4.2 documentation). The values are extract as file metadata and using a workflow can be copied over as document metadata.

If you can provide an .eml file with known values and no private or personal information we can start testing to see if .eml support can be added.

3

This was added in version 4.4 for .msg files (Version 4.4 — Mayan EDMS 4.4.2 documentation). The values are extract as file metadata and using a workflow can be copied over as document metadata.

The issue with using .msg is that it is a proprietary format, meaning the Italian government won’t recognize it in the longterm archiving or for legal preservation. EML and MBOX are the only formats that are accepted.
These two formats are open formats; RFC4155 describes.mbox files, while RFC822 specifies.eml.

If you can provide an .eml file with known values and no private or personal information we can start testing to see if .eml support can be added.

Yes, I have some eml files that I received from Gmail using a Python script. I may share these files with you if you contact me directly.