When sending email samples to SophosLabs, either spam that is not being detected or legitimate email that is incorrectly detected as spam, send the original email as an RFC-2822 attachment. For example, the original email attached to a new email to allow SophosLabs to fully analyze the sample. If the original email was just forwarded to SophosLabs then content required for analysis will be lost.
Note: This article does not cover Sophos UTM product.
The following sections are covered:
Applies to the following Sophos product(s) and version(s) Sophos Email AppliancePureMessage for Microsoft ExchangePureMessage for UnixSophos Anti-Spam Interface
RFC stands for Request for Comment and is a publication of the Internet Engineering Task Force (IETF) and the Internet Society which is official standards-setting bodies for the Internet. 2822 is the ID number for the RFC on Internet Message Format which documents the standards on how electronic messages are to be formatted; hence, if you say the email sample is compliant with RFC-2822 then we know that all of the original information has been sent to us and we are able to carry out a full analysis.
Sophos has provided steps for Outlook, Thunderbird, Mac Mail, and advice for Lotus Notes.
Sophos cannot recommend a default method for attaching RFC-2822 messages in Lotus Notes but the following options are available:
In Lotus Notes v8.5.2 there is an option to save emails as .eml files. With the sample email message open, click File > Save As and select the .eml file extension. Attach the saved message and to a new message and send that to the correct address:
If you strongly believe that an item should be detected, open a ticket with our Technical Support team and attach the entire message source (text).
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