.ok_or(anyhow!("Missing default address in recipient table."))?);
			};

			// prepating message header
			let mut reply: Vec<Cow<'_, str>> = vec![];
			if self.fields.contains("subject") {
				if let Some(subject) = mail.subject() {
					reply.push(format!("**Subject:** `{}`", subject).into());
					reply.push(format!("__*Subject:*__ `{}`", subject).into());
				} else if let Some(thread) = mail.thread_name() {
					reply.push(format!("**Thread:** `{}`", thread).into());
					reply.push(format!("__*Thread:*__ `{}`", thread).into());
				}
			}
			let mut short_headers: Vec<Cow<'_, str>> = vec![];
			// do we need to replace spaces here?
			if self.fields.contains("from") {
				reply.push(format!("**From:** `{}`", headers.from).into());
				short_headers.push(format!("__*From:*__ `{}`", headers.from).into());
			}
			if self.fields.contains("date") {
				if let Some(date) = mail.date() {
					reply.push(format!("**Date:** `{}`", date).into());
					short_headers.push(format!("__*Date:*__ `{}`", date).into());
				}
			}
			reply.push("".into());
			let header_size = reply.join("\n").len() + 1;
			reply.push(short_headers.join(" ").into());
			let header_size = reply.join(" ").len() + 1;

			let html_parts = mail.html_body_count();
			let text_parts = mail.text_body_count();
			let attachments = mail.attachment_count();
			if html_parts != text_parts {
				self.debug(format!("Hm, we have {} HTML parts and {} text parts\\.", html_parts, text_parts)).await?;
			}