Postmark + SMTP + Zulip integrations

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Trigger

Email is bounced

in Postmark

Instant

Actions

Send a stream message

in Zulip

Send email

in SMTP

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Ready Workflows for Postmark + SMTP + Zulip integration

Send bounce alerts to chat, route backups through alternative relays, notify your team when emails open, and post inbound support messages, all in just one click.

Trigger

Email is bounced in Postmark

in Postmark

Actions

Send a stream message in Zulip

in Zulip

Send email in SMTP

in SMTP

Notify your team in Zulip and send a backup email via SMTP when a Postmark email bounces

Post bounced email notices to a Zulip stream while dispatching an administrative alert through SMTP.

When an email bounces in Postmark, waiting around leaves your team in the dark. This workflow immediately logs the failure in a Zulip stream for your team to see. At the same time, it sends an alternative notification via SMTP so backup contacts stay informed.

Trigger

Email is bounced in Postmark

in Postmark

Actions

Send private message in Zulip

in Zulip

Send email in SMTP

in SMTP

Alert your account manager privately in Zulip and send a backup SMTP notice when an email bounces

Send a private Zulip message to the account owner and trigger an administrative update via SMTP.

Critical email bounces require fast attention from the right person. This workflow alerts your assigned account manager privately in Zulip the moment a delivery fails. It also notifies the client's IT department through an alternate SMTP relay.

Trigger

Email is bounced in Postmark

in Postmark

Actions

Continue only if bounce type equals HardBounce

in Filter

Send a stream message in Zulip

in Zulip

Send email in SMTP

in SMTP

Filter for permanent hard bounces in Postmark, notify Zulip, and alert the customer via SMTP

Filter for permanent hard bounces to notify your deliverability team in Zulip and alert contacts via SMTP.

Temporary delivery hiccups do not always need immediate intervention, but permanent hard bounces do. This automation filters out soft bounces so your team only gets alerted in Zulip for permanent failures, while automatically reaching out to the customer via SMTP for a corrected address.

Trigger

Email is bounced in Postmark

in Postmark

Actions

Analyze bounce reason and categorize delivery failure severity

in AI

Send a stream message in Zulip

in Zulip

Send email in SMTP

in SMTP

Analyze Postmark bounce errors with AI, post a triage report to Zulip, and send an SMTP advisory

Use AI to classify bounce diagnostics before broadcasting a triage report to Zulip and SMTP.

Raw bounce error codes can be difficult to parse quickly. This setup uses AI to analyze the failure reason from Postmark, post a clear summary to your Zulip triage stream, and dispatch an advisory notice through SMTP.

Trigger

Email is bounced in Postmark

in Postmark

Actions

Update contact email status to bounced

in HubSpot

Send a stream message in Zulip

in Zulip

Send email in SMTP

in SMTP

Update CRM contact status when an email bounces, alert Zulip, and notify administration via SMTP

Mark bounced addresses in HubSpot, alert your Zulip operations channel, and notify tenant admins via SMTP.

Keeping your CRM clean prevents wasted outbound campaigns. When Postmark reports a bounce, this automation updates the contact in HubSpot, posts an alert in Zulip, and notifies the administrator via SMTP so your records stay accurate.

Trigger

Email is opened in Postmark

in Postmark

Actions

Send a stream message in Zulip

in Zulip

Send email in SMTP

in SMTP

Notify your team in Zulip and trigger follow-up drip emails via SMTP when a receipt is opened

Post a notification to your Zulip customer success stream and trigger educational drip emails via SMTP.

Knowing when customers engage with their onboarding receipts helps your team track momentum. This workflow alerts your Zulip channel when an email is opened in Postmark and triggers the next scheduled educational email via bulk SMTP.

Trigger

Email is opened in Postmark

in Postmark

Actions

Send private message in Zulip

in Zulip

Send email in SMTP

in SMTP

Send a private Zulip alert and technical documents via SMTP when a proposal email is opened

Ping the deal executive privately in Zulip and send formal technical documents via SMTP.

High-value sales proposals require timely follow-up. When a prospect opens your proposal in Postmark, this workflow notifies the deal executive in a private Zulip message and automatically sends supplementary documentation through SMTP.

Trigger

Email is opened in Postmark

in Postmark

Actions

Continue only if email tag equals enterprise-proposal

in Filter

Send private message in Zulip

in Zulip

Send email in SMTP

in SMTP

Filter proposal opens, notify the account executive in Zulip, and send an SMTP calendar invite

Filter for enterprise proposals, ping the account executive in Zulip, and send a calendar invite via SMTP.

Prevent team alert fatigue by filtering email opens to only focus on tagged enterprise proposals. When a matching email opens, the automation pings your account executive privately in Zulip and sends a calendar booking link via SMTP.

Trigger

Email is opened in Postmark

in Postmark

Actions

Determine recipient engagement score and craft customized follow-up note

in AI

Send email in SMTP

in SMTP

Send a stream message in Zulip

in Zulip

Evaluate email engagement with AI, send a customized follow-up via SMTP, and log the score in Zulip

Use AI to analyze recipient engagement from email opens, draft an SMTP follow-up, and update Zulip.

Tailoring your follow-up based on how prospects interact with your emails drives better conversion rates. This workflow uses AI to review open metadata from Postmark, draft a personalized follow-up sent via SMTP, and log the engagement score in Zulip.

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Score high-intent leads

ChatGPT or Claude can read customer replies and email engagement data to score each contact. Your sales team can focus on the strongest opportunities without reviewing every message manually.

Create support tickets

When an inbound message arrives in Postmark, open a matching ticket in Zendesk or Freshdesk automatically. Your support desk gets organized records without manual copy-pasting.

Log activity in your CRM

Sync customer email interactions and delivery updates directly into HubSpot or Salesforce. Your entire team sees a complete history of customer communication.

Send SMS alerts

Trigger urgent text messages via Twilio when high-priority support emails arrive or critical delivery failures occur. On-call staff get notified instantly on their mobile devices.

Track tasks and projects

Create a new task in Asana or Trello whenever a customer reply requires follow-up work. Your operations team can manage tasks without losing track of incoming requests.

Archive records securely

Save customer messages and delivery logs into Google Sheets or Airtable for long-term reporting. Your management team can review historical communication data easily.

How the data usually flows between Postmark, SMTP and Zulip

Information moves automatically from email triggers to team notifications and backup delivery relays without manual intervention.

Postmark

The moment an email bounces, gets opened, receives a click, or arrives in your inbox, Postmark captures the event instantly.

Capture

Zulip

Details are sent straight to your Zulip streams or private messages so the right people know what is happening right away.

Process

SMTP

Secondary emails, notifications, and follow-up messages are dispatched reliably across the globe through your SMTP relay.

Relay

Zulip

Your staff can review chat alerts, manage support issues, and follow up with contacts without checking multiple dashboards manually.

Follow up

Fully Automated

Once set up, your data moves seamlessly
between Postmark, SMTP and Zulip.

Steps to connect Postmark, SMTP and Zulip

Log in to Integrately
Search and select Postmark and SMTP
Pick a ready 1-click automation or select the desired trigger-action pair
Securely connect your Postmark & SMTP accounts
Add Zulip in the next steps of your workflow
Map the fields across all three apps
Test it, then switch it on Done

Supported triggers and actions

A trigger is what starts the automation. An action is what it does next. Mix any of these across the three apps.

Postmark Triggers & Actions

Instant

Email is bounced in Postmark

Triggers the automation when an email bounces back

Instant

Email is opened in Postmark

Triggers the automation when an email is opened

Instant

Link in email is clicked in Postmark

Triggers the automation when a link in the email is clicked

Instant

Message is received in Postmark

Triggers the automation when a new message is received

SMTP Triggers & Actions

Send email in SMTP

Sends an email to a recipient

Zulip Triggers & Actions

Send a stream message in Zulip

Sends a stream message

Send private message in Zulip

Sends a private message to a recipient

Try This Integration – No Code Needed

Who this setup is for

Developers and engineers

Customer support teams

Sales and account managers

Email operations specialists

📋 Developers and engineers

You manage application email delivery and need immediate visibility when messages bounce or fail. This setup alerts your team in chat and reroutes backups automatically.

🎙️ Customer support teams

You receive inbound customer queries and need to triage them across team channels without manual sorting. This automation organizes incoming messages and sends instant acknowledgements.

🔁 Sales and account managers

You send proposals and need to know the moment prospects open them or click links. This workflow pings you instantly so you can follow up while interest is high.

🗂️ Email operations specialists

You monitor sender reputation and delivery rates across multiple infrastructure providers. This setup handles bounce notifications and backup relays without manual intervention.

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