簡介
本文檔介紹在將要作為已處理電子郵件的頁尾包含的免責宣告顯示為電子郵件的附件時，如何對思科郵件安全裝置(ESA)上的配置進行更改。
為什麼頁尾中的免責宣告顯示為附件？
通常，當郵件正文和頁尾之間編碼不匹配時，顯示為附件的頁尾就會出現。AsyncOS會嘗試以與郵件正文相同的編碼方式編碼整個郵件，以便頁尾將包含在正文中（內聯），而不會作為單獨的附件包含在內。但是，如果頁尾不能與正文組合，則可以從ESA CLI中使用localeconfig命令配置AsyncOS，以嘗試升級或轉換正文文本，使其與頁尾的編碼匹配，從而可以將頁尾包含在消息正文中。
myesa.local> localeconfig
Behavior when modifying headers: Use encoding of message body
Behavior for untagged non-ASCII headers: Impose encoding of message body
Behavior for mismatched footer or heading encoding: Only try encoding from message body
Choose the operation you want to perform:
- SETUP - Configure multi-lingual settings.
[]> setup
If a header is modified, encode the new header in the same encoding as the message
body? (Some MUAs incorrectly handle headers encoded in a different encoding than the
body. However, encoding a modified header in the same encoding as the message body
may cause certain characters in the modified header to be lost.) [Y]>
If a non-ASCII header is not properly tagged with a character set and is being used
or modified, impose the encoding of the body on the header during processing and
final representation of the message? (Many MUAs create non-RFC-compliant headers
that are then handled in an undefined way. Some MUAs handle headers encoded in
character sets that differ from that of the main body in an incorrect way. Imposing
the encoding of the body on the header may encode the header more precisely. This
will be used to interpret the content of headers for processing, it will not modify
or rewrite the header unless that is done explicitly as part of
the processing.) [Y]>
Disclaimers (as either footers or headings) are added in-line with the message body
whenever possible. However, if the disclaimer is encoded differently than the message
body, and if imposing a single encoding will cause loss of characters, it will be
added as an attachment. The system will always try to use the message body's encoding
for the disclaimer. If that fails, the system can try to edit the message body to use
an encoding that is compatible with the message body as well as the disclaimer. Should
the system try to re-encode the message body in such a case? [N]> y
返回主CLI提示符並提交對配置所做的更改。 然後，您應該會看到localeconfig中列出的以下設定：
Behavior when modifying headers: Use encoding of message body
Behavior for untagged non-ASCII headers: Impose encoding of message body
Behavior for mismatched footer or heading encoding: Try both body and footer or
heading encodings
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