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  1. #1
    Join Date
    Jul 2014
    Posts
    226

    Malicious Codes sent inside Emails

    Hello WHT Friends

    One of my clients is receiving base64 in his email box ok what i need is how do i block it automatically using tools or other way just how i can stop that base64 codes.

    Server:linux
    linux Distro: Centos
    Dedicated Server

    Hope to help and sorry if i break rules
    Thanks you

  2. #2
    Join Date
    Sep 2008
    Location
    NL,IR
    Posts
    1,491
    i'm confused,
    this malicious code send from your server or you are just receiver ?

  3. #3
    Join Date
    Jul 2014
    Posts
    226
    Sorry about the confusion i am the receiver Ok
    Quote Originally Posted by mixmox View Post
    i'm confused,
    this malicious code send from your server or you are just receiver ?

  4. #4
    Is it all coming from the same source? Ex. Same IP's, same email, asme whatever...?

  5. #5
    Join Date
    Apr 2011
    Location
    Melbourne
    Posts
    93
    It could be an encoding issue - attachments and certain forms of content are base64 encoded for transmission. If it is coming from a poorly coded script, it might just be missing a header.

    If you can, post the raw message with headers.

  6. #6
    Join Date
    Jul 2014
    Posts
    226
    No it comes from different IP's, three Domains are only in this issue one of them is blocked sending messages to one country due to Spam, Why they blocked because the email is marked as spammer i think so.

    Quote Originally Posted by Onra Host View Post
    Is it all coming from the same source? Ex. Same IP's, same email, asme whatever...?

  7. #7
    Join Date
    Jul 2014
    Posts
    226
    Ketan you may be right but the hosting company Alerted me that the email receiving a lot of spam messages
    Quote Originally Posted by ketan View Post
    It could be an encoding issue - attachments and certain forms of content are base64 encoded for transmission. If it is coming from a poorly coded script, it might just be missing a header.

    If you can, post the raw message with headers.

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