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Why is a banner being appended to messages that I send?

Messages sent to, from, or within Pobox are scanned for viruses by an external provider, MessageLabs. Normally the scanning process will be transparent. In some cases, MessageLabs will append a banner to the bottom of messages alerting recipients that the message has been scanned.

Specifically, if you have configured your e-mail client with a return address that is not hosted by our server, and all of the recipient addresses are also not hosted on our server, then the MessageLabs banner will appear on the bottom of your message.

For example,

Your email address as known by your mail client: joeuser@isc.upenn.edu
The list of people who will receive your message:
druser@uphs.upenn.edu
anotheruser@isc.upenn.edu

We are working with MessageLabs to eliminate these banners. In the interim, there are some ways to prevent this banner from appearing on your mail messages:

  • Configure your mail client so that the mail is coming from your email address that is supported on our server, e.g.,
    From: user@pobox.upenn.edu
  • Copy yourself on your messages, making sure to use your email address that is supported on our server, e.g.,
    Cc: user@pobox.upenn.edu

If you have questions about the valid email addresses that you can use, please contact your local support provider.

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