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Increase DSN header size (closes #2344)

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This commit is contained in:
mdecimus
2025-11-06 10:35:40 +01:00
parent e8491172b1
commit c35f0aa86b
1 changed files with 5 additions and 3 deletions
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8
crates/smtp/src/queue/dsn.rs
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@@ -126,6 +126,8 @@ impl SendDsn for Server {
}
}
const MAX_HEADER_SIZE: usize = 4096;
impl MessageWrapper {
pub async fn build_dsn(&mut self, server: &Server) -> Option<Vec<u8>> {
let config = &server.core.smtp.queue;
@@ -310,10 +312,10 @@ impl MessageWrapper {
.write_dsn_headers(&mut dsn_header, &reporting_mta);
let dsn = dsn_header + dsn.as_str();
// Fetch up to 1024 bytes of message headers
// Fetch up to MAX_HEADER_SIZE bytes of message headers
let headers = match server
.blob_store()
.get_blob(self.message.blob_hash.as_slice(), 0..1024)
.get_blob(self.message.blob_hash.as_slice(), 0..MAX_HEADER_SIZE)
.await
{
Ok(Some(mut buf)) => {
@@ -336,7 +338,7 @@ impl MessageWrapper {
}
}
}
if last_lf < 1024 {
if last_lf < MAX_HEADER_SIZE {
buf.truncate(last_lf);
}
String::from_utf8(buf).unwrap_or_default()