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feat: Save rejected messages to /tmp (#55)

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Jagoda Estera Ślązak
2026-02-20 15:38:46 +01:00
committed by GitHub
parent 94f1b29917
commit 54982b1fdd
2 changed files with 31 additions and 3 deletions
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filtermail/src/inbound.rs
+13 -3
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@@ -6,7 +6,7 @@ use crate::dkim_verifier::DkimVerifier;
use crate::message::{check_encrypted, is_securejoin};
pub use crate::smtp_server::Envelope;
use crate::smtp_server::SmtpHandler;
use crate::utils::{AddressDomain, extract_address};
use crate::utils::{AddressDomain, extract_address, log_eml};
use async_trait::async_trait;
use mailparse::{MailHeaderMap, parse_mail};
use std::str::FromStr;
@@ -69,8 +69,18 @@ impl SmtpHandler for IncomingBeforeQueueHandler {
}
}
AddressDomain::Name(domain) => {
if !self.skip_dkim {
self.dkim_verifier.verify(&envelope.data, &domain).await?;
if !self.skip_dkim
&& let Err(e) = self.dkim_verifier.verify(&envelope.data, &domain).await
{
let eml_path = log_eml("dkim-verify", &envelope.data)
.await
.map(|path| path.to_string_lossy().to_string())
.unwrap_or_else(|e| {
log::error!("Failed to save rejected message to file: {e}");
"ERR".to_string()
});
log::info!("Rejected message stored at: {eml_path}");
return Err(e);
}
}
}