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friday funny

How Email Works

From nixCraft on Facebook -- How Email Really Works:

Written by Al Iverson on Friday, February 02, 2018

Al Iverson

Writing about, guiding clients on, and building tools related to email technology, deliverability and DMARC. Blogging about spam since 2001. Based in Chicago.

Permission

Defining Permission
Yes, Google requires opt-in
What is CAN-SPAM?
Top 4 CAN-SPAM Myths
Labeling marketing mail
Defining transactional
Should I use a purchased email list?

BIMI mailbox provider support in November 2024

11 Nov, 2024

Aboutmy.email is the cool new tool you need to check your email headers (and more)

04 Jan, 2024

DMARC and Authentication

SPF, DKIM and DMARC Defined
Valimail DMARC Domain Checker
March 2024 DMARC FAQ
Why I think DMARC matters
The Business Case for DMARC
Mail Forwarding in a DMARC World
All about DMARC & mailing lists
Fun with BIMI logos

Topics

best practices
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ask al
legal
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bad ideas
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deliverability
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whoops
deliverability 101
vade retro
dmarcian
red sift
skyler holobach
who cares
brian sisolak
now hiring

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Learn More

A Crash Course on List Unsubscribe
Escaping the Gmail Promotional Tab
What is IP warming?
What it does it mean “We do not relay?”
Understanding 4xx Deferrals
Deliverability Terms

ISPs/MBPs

1and1
aol
apple
att
cablevision
charter
comcast
gmail
gmx
google

hotmail
icloud
mail.com
microsoft
optonline
orange
outlook.com
protonmail
roadrunner
verizon
vodafone
yahoo

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by Al Iverson
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Deliverability Tips & Troubleshooting

Help: My Gmail biz domain emails are going to spam!
Ask Al: Spam folder placement during warmup?
Microsoft: Decoding hidden spam-related headers
Navigating Microsoft OLC Spam Folder Placement
2025 MAGY Sender Compliance Guide
Yahoo Mail to absorb Comcast subscriber mailboxes
SPF Alignment in Google Workspace
Emails to Gmail vanishing? How to troubleshoot
Gmail: Embrace the promotions tab

Copyright

Copyright 2001-2026 by Al Iverson. Disclaimer: I am not a lawyer and this is not legal advice. Duh. All opinions are mine alone and do not necessarily represent the views of any group, company, organization or other person. Photos and graphics licensed from or used with permission of iStockPhoto, Pexels, Unsplash, or Pixabay. Reproduction or republication of any and all content found on this website is allowed only with explicit permission. Use of this site's RSS feed for inclusion of this site's content on other websites is prohibited. All product names, logos, and brands are property of their respective owners and are you used for identification purposes only. Use of these names, logos, and brands does not imply endorsement. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and/or names or their products and are the property of their respective owners. We disclaim proprietary interest in the marks and names of others.

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