Deliverability alerts with the fix attached.

Tatami reads every bounce and deferral. When an IP hits a blocklist, Microsoft blocks you, or one tenant's bounces spike, you hear about it in Slack, Discord, or email. Each alert says what to do next.

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See what broke and how to fix it.

Also sent to Slack Discord Email

Critical2 min ago

Spamhaus domain blocklist

mail.acme.io·dbl.spamhaus.org

Links in Acme's mail point to a domain on the Spamhaus DBL. Most mailbox providers check this list.

Next steps

  1. 1Look up the domain at check.spamhaus.org.
  2. 2Remove the listed links from Acme's templates.
  3. 3Request delisting through Spamhaus.

Rules that already know the error codes.

36 rules are on from your first event. They match the SMTP codes and bounce text Gmail, Yahoo, Microsoft, and the big blocklists send back.

Covered before you write a rule.

Rule Severity
  • Spamhaus blacklist zen.spamhaus.org Critical
  • Microsoft S3150 S3150 Critical
  • Gmail 550 5.7.26 DMARC failure 550 5.7.26 Critical
  • Gmail 421 4.7.28 rate limit 421 4.7.28 Critical
  • Yahoo deferral TSSxx [TSS..] Warning
  • Spam trap hit detected spamtrap Critical

36 rules on by default Edit or turn off any of them

Add your own for the codes you care about.

Rule name

Outlook throttling on shared IPs

Match when

SMTP code
^451 4\.7\.650
Provider
outlook.com
Skip if text has
spamhaus

Alert with

Warning

Outlook throttling on {{ip}}

Slow the ramp to Microsoft and check SNDS.

Alerts land where your team already looks.

Send every alert to Slack, Discord, or email. Each one names the IP, domain, or tenant and the next step.

Slack, in the channel you watch.

Tatami App 2:14 PM

Microsoft block S3150

198.51.100.24 is rejected by Outlook. Check SNDS, then request a delist.

#deliverability

Discord, for the on-call crew.

Tatami Today at 2:12 PM

Spamhaus domain blocklist

mail.acme.io is on the DBL. Remove the listed links, then request delisting.

#alerts

Email, for everyone else.

To oncall@example.com

Globex bounce rate 12.3%

421 of 3,420 sends bounced. Your threshold is 10%.

Sent by Tatami

Less noise. Faster fixes.

Mute what you are already fixing. Jump from any alert to the bounces that caused it.

Mute one tenant, keep the rest.

Open21 min ago

Globex bounce rate 12.3%

Alerts for every other tenant keep coming.

Open Just now

Initech bounce rate 11.8%

Still alerting while Globex is muted.

Open, muted, and dismissed One click each

One click to the bounces behind it.

Tenant globex Bounced and deferred
  • Bounced gmail.com 550 5.1.1
  • Bounced yahoo.com 554 5.7.9
  • Bounced outlook.com 550 5.5.0
  • Deferred gmail.com 421 4.7.28
  • Bounced icloud.com 550 5.1.1
  • Bounced gmail.com 550 5.1.1

421 bounced of 3,420 sent Most are 550 5.1.1

Hear about it before your customers do.

Connect a provider in a few minutes. The built-in rules start on your first event.

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