Microsoft, Apple, Gmail, Yahoo Compliance Guide
Gmail
Yahoo Mail
Microsoft Outlook/Hotmail
Comcast Xfinity
Apple iCloud Mail
GMX/Mail.com/Web.de
Mail.de
See all guides

BIMI Current ISP Support
BIMI Logo Stats
BIMI Logo Howto
Gmail Logo Workaround
Everything SPF
Everything DKIM
Everything DMARC
Everything BIMI

MAGY (Microsoft, Apple, Gmail, Yahoo) Domains
ISP Domain Data
Dead Domains
Mailbox Provider Spotlight
Wombatmail Domain Rankings

Wombatmail Tools
Aboutmy.Email
SMTP Field Manual from Postmark
CheckMyLink
Valimail Domain Checker
Kitterman SPF Validator
Email Preview IO
ESP Finder
Mess with DNS
More Tools

Yahoo/Google Compliance 101
DMARC-Pocalypse Now Webinar
Crash Course in List Unsubscribe
Pardot Deliverability 101
More Webinars

Deliverability Terms
Salesforce Marketing Cloud Tips
Pardot Deliverability Tips
Spam Resource Spotlight
Food
Fun

Topic

digital ocean

blacklists

Spamhaus blocking queries from Digital Ocean Cloud servers

As part of their continuing efforts to lock down unrestricted public access to their reputation data, Spamhaus has announced that as of Febr...

Tuesday, February 06, 2024

Older Posts

DNS Lookup

Lookup Domain, hostname or IP

Free email and DNS tools from Wombatmail.

Search this blog

Search 2,000+ posts

Newsletter

Fresh deliverability insights, delivered straight to your inbox.

Email address

You care about email. Subscribe to the Spam Resource newsletter already!

Spam Resource

Since 2001
by Al Iverson
Over 5 million views!
Email Newsletter Signup
Wombatmail DNS Tools
Online Store
Contact me
Sitemap

Learn More About

Deliverability
Microsoft
Apple
Gmail
Yahoo
Comcast
SFMC
Tools

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
SPF Alignment in Google Workspace
Emails to Gmail vanishing? How to troubleshoot
Gmail: Embrace the promotions tab

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 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.