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fix: limit the range of Date to up to 6 days in the past

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Previous value (1000000 seconds) was slightly more than 11.5 days.
This commit is contained in:
link2xt
2025-11-17 21:56:21 +00:00
committed by l
parent a5c470fbae
commit fb14acb0fb
1 changed files with 9 additions and 1 deletions
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10
src/mimefactory.rs
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@@ -1036,7 +1036,15 @@ impl MimeFactory {
//
// and the explanation page says
// "The time information deviates too much from the actual time".
let timestamp_offset = rand::random_range(0..1000000);
//
// We also limit the range to 6 days (518400 seconds)
// because with a larger range we got
// error "500 Date header far in the past/future"
// which apparently originates from Symantec Messaging Gateway
// and means the message has a Date that is more
// than 7 days in the past:
// <https://github.com/chatmail/core/issues/7466>
let timestamp_offset = rand::random_range(0..518400);
let protected_timestamp = self.timestamp.saturating_sub(timestamp_offset);
let unprotected_date =
chrono::DateTime::<chrono::Utc>::from_timestamp(protected_timestamp, 0)