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InboxGreen

Founder of InboxGreen.email free email deliverability checker for SPF, DKIM and DMARC.

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SPF ~all softfail: what it means and when to switch to -all
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SPF ~all softfail: what it means and when to switch to -all

#email #dns #devops #webdev
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2 min read

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Missing List-Unsubscribe header: what Gmail and Yahoo now require
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Missing List-Unsubscribe header: what Gmail and Yahoo now require

#email #webdev #devops #javascript
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2 min read
We Checked SPF, DKIM, and DMARC on 186 Popular Domains. Only 69% Passed All Three.
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We Checked SPF, DKIM, and DMARC on 186 Popular Domains. Only 69% Passed All Three.

#email #security #devops #webdev
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2 min read
DMARC alignment failure: SPF and DKIM pass but DMARC still fails
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DMARC alignment failure: SPF and DKIM pass but DMARC still fails

#email #security #devops #dns
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2 min read
DMARC p=none is not protecting your domain: when to upgrade
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DMARC p=none is not protecting your domain: when to upgrade

#email #dns #security #devops
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2 min read
SPF PermError from too many DNS lookups: what the 10-lookup limit means
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SPF PermError from too many DNS lookups: what the 10-lookup limit means

#email #dns #devops #webdev
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2 min read
Two SPF records on one domain causes a PermError: how to merge them
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Two SPF records on one domain causes a PermError: how to merge them

#email #devops #dns #webdev
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2 min read
DKIM selector not found: how to enable DKIM signing for your domain
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DKIM selector not found: how to enable DKIM signing for your domain

#email #dns #security #webdev
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2 min read
SPF record not found: why this quietly breaks email delivery
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SPF record not found: why this quietly breaks email delivery

#email #dns #webdev #devops
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2 min read
Your domain has no DMARC record: what that means for your email
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Your domain has no DMARC record: what that means for your email

#devops #security #webdev #email
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2 min read
SPF record syntax explained: a practical guide for developers
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SPF record syntax explained: a practical guide for developers

#email #webdev #dns #tutorial
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3 min read
How to check if your domain is on an email blacklist (and what to do if it is)
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How to check if your domain is on an email blacklist (and what to do if it is)

#email #webdev #devops #security
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2 min read
DMARC p=none vs p=quarantine vs p=reject: what to use and when
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DMARC p=none vs p=quarantine vs p=reject: what to use and when

#email #webdev #devops #security
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2 min read
Why your emails go to spam (and how to check SPF, DKIM and DMARC in 60 seconds)
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Why your emails go to spam (and how to check SPF, DKIM and DMARC in 60 seconds)

#email #webdev #devops #tutorial
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2 min read
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