embed-email
This command parse email content, download remote images and replace them as inline images, then you can import these fat emails to regular mail clients like Microsoft Outlook or Apple Mail to send them.
Install
> go get github.com/gonejack/embed-email
Usage
> embed-email *.eml
Usage: embed-email [<eml> ...]
Command line tool for embed images within email.
Arguments:
[<eml> ...]
Flags:
-h, --help Show context-sensitive help.
--retain-gif will not convert gif into mp4.
-v, --verbose Verbose printing.