Tickets :: Comment on [#8105] sieve driver doesn't check header field validity

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Comment	> BTW, see http://www.ietf.org/rfc/rfc3028.txt (RFC3028, "Sieve: A Mail > Filtering Language") section 2.4.2.2: > > '[...] > > A header name never contains a colon. The "From" header refers to a > > line beginning "From:" (or "From :", etc.). No header will match > > the string "From:" due to the trailing colon. [...]' > > > > So Horde should make sure that either (1) the web interface rejects > filters where custom header names contain the colon, or (2) the > component that generates the Sieve script strips that colon.
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