When trying to upload using the "Report Phish Email" link/module. Error: "Upload error: Report only one phish email in .eml format at a time"Issue 1. Navigate to Security Incident > Phishing Emails > Report Phish email2. Upload .eml attachment3. Click on Submit and notice the error "You can report only one phishing email at a time in .eml format."CauseThe error message "You can report only one phishing email at a time in .eml format." is displayed whenever there is any issue with attachment type or attachment content or issue with attachment parsing.The .eml file could have some issues wuth content/Content-Transfer-Encoding and ParseAttachmentAsAnEmail is unable to parse it and throws an exception with message "Exception Msg: unable to read mime message:" The Root cause of parsing failure most likely could be is that the underlying "Content-Transfer-Encoding" value given is not as per RFC - https://tools.ietf.org/html/rfc2045#section-6.1ResolutionFor Example: Content-Type: text/html; charset ="UTF-8"Content-Transfer-Encoding: UTF-8 You can try modifying it to allowed values. Try with below values Content-Type: text/html; charset=UTF-8Content-Transfer-Encoding: quoted-printable Please refer https://tools.ietf.org/html/rfc2045#section-6.1 for allowed values.