• To Be Or Not To Be … Infected?

    Author
    Topic
    #2566698

    I wanted to send a previously received email file (*.eml) as attachment to a correspondant.

    I wrote my text (in Thunderbird) and attached the *.eml, but first I tested this email by mailing it to my own secondary address at a hosting provider.

    Downloading my email from that secondary address I should have received my test, but it never arrived there, even though my local Thunderbird did report having succesfully sent it through gmail’s SMTP-server.

    Sending that same test email with attached *.eml to my 2 other addresses through gmail’s SMTP-server worked just fine. I received those back without any problem at all.

    Sending that test email back to me by way of my hosting provider’s SMTP-server also failed.

    So it appears that my hosting provider’s POP3-server and SMTP-server both totally rejected my mail because it contained an attached *.eml file. Simply renaming that attached file to *.txt then restored normal operation.

    Finally I sent the *.eml file to VirusTotal and got a “No Detection” response.

    My hosting provider told me they’re waiting for an answer from their anti-spam supplier.

    I haven’t the faintest idea who’s to blame.

    Anybody?

    1 Desktop Win 11
    1 Laptop Win 10
    Both tweaked to look, behave and feel like Windows 95
    (except for the marine blue desktop, rgb(0, 3, 98)
    Viewing 1 reply thread
    Author
    Replies
    • #2566706

      .eml extensions are blocked in the exim filter on all our servers. I can remove the block if clients ask for it but nobody has complained. I thought gmail used to also block it years ago but maybe they changed. .eml is considered dangerous because some mail clients can trigger active scripting when opened causing increase chance of malware to the recipient.

      1 user thanked author for this post.
    • #2567068

      It has been resolved.

      1 Desktop Win 11
      1 Laptop Win 10
      Both tweaked to look, behave and feel like Windows 95
      (except for the marine blue desktop, rgb(0, 3, 98)
    Viewing 1 reply thread
    Reply To: To Be Or Not To Be … Infected?

    You can use BBCodes to format your content.
    Your account can't use all available BBCodes, they will be stripped before saving.

    Your information: