WIP

Author: andresgutgon

packages/core/src/mailers/mailers/Mailer.ts

@@ -48,11 +48,16 @@ export default abstract class Mailer {
     options: ExtendedMailOptions,
   ): Promise<TypedResult<SMTPTransport.SentMessageInfo, Error>> {
     try {
-      const result = await this.adapter.sendMail({
+      // Mailgun accepts extended options including 'recipient-variables' for batch sending.
+      // We cast to Mail.Options since nodemailer's Transporter type doesn't support
+      // transport-specific extensions, but the Mailgun transport handles this at runtime.
+      const mailOptions: Mail.Options = {
         ...options,
         from: options.from || Mailer.from,
         'recipient-variables': safeRecipientVariables(options),
-      } as Mail.Options)
+      } as Mail.Options
+
+      const result = await this.adapter.sendMail(mailOptions)
       const info = this.ensureSendMessageInfo(result, options)
       const failed = info.rejected.concat(info.pending).filter(Boolean)
 

packages/emails/src/templates/issues/IssueEscalatingMail.tsx

@@ -158,9 +158,7 @@ export default function IssueEscalatingMail({
         <Text.H2B>started escalating</Text.H2B>
       </Section>
       <Text.H5 display='block' color='foregroundMuted'>
-        This alert was triggered because the issue occurred in the last 24
-        hours, has at least 20 occurrences in the past 7 days, and the recent
-        rate is over 2× higher than the previous 7-day period.
+        You’re seeing this alert because this issue triggered in the last 24 hours, it has triggered at least 20 times in the last 7 days, and in the last day, it’s been triggering about twice as often as it did over the past week.
       </Text.H5>
 
       <Section className='mt-9 mb-6'>