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fix(email): use proper MIME encoding for UTF-8 responses

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Replace bare .body() call with .singlepart(SinglePart::plain()) to ensure
outgoing emails have explicit Content-Type: text/plain; charset=utf-8
header. This fixes recipients seeing raw quoted-printable encoding
(e.g., =E2=80=99) instead of properly decoded UTF-8 characters.
This commit is contained in:
Kieran 2026-02-16 23:12:41 +00:00 • committed by Chummy
parent ab2cd51748
commit 3d3d471cd5
1 changed files with 2 additions and 1 deletions
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3
src/channels/email_channel.rs
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@ -10,6 +10,7 @@
use anyhow::{anyhow, Result}; use anyhow::{anyhow, Result};
use async_trait::async_trait; use async_trait::async_trait;
use lettre::message::SinglePart;
use lettre::transport::smtp::authentication::Credentials; use lettre::transport::smtp::authentication::Credentials;
use lettre::{Message, SmtpTransport, Transport}; use lettre::{Message, SmtpTransport, Transport};
use mail_parser::{MessageParser, MimeHeaders}; use mail_parser::{MessageParser, MimeHeaders};
@ -389,7 +390,7 @@ impl Channel for EmailChannel {
.from(self.config.from_address.parse()?) .from(self.config.from_address.parse()?)
.to(recipient.parse()?) .to(recipient.parse()?)
.subject(subject) .subject(subject)
.body(body.to_string())?; .singlepart(SinglePart::plain(body.to_string()))?;
let transport = self.create_smtp_transport()?; let transport = self.create_smtp_transport()?;
transport.send(&email)?; transport.send(&email)?;