www.royhochstenbach.com/projects/spfgenerator/

An easy to use SPF Record Generator

dmarc-qa.com

When a bunch of people make new things all based on a new technical specification, interoperability is often rough around the edges. The folks behind dmarcian put together dmarc-qa.com to host a suite of tests that DMARC developers can use to ensure th ...

www.mailcleaner.net/tools/test_spf.html

This page let you test domains for valid SPF records and/or presence in the MailCleaner's trusted SPF list.

digwebinterface.com

Extensive web interface to dig for doing online dns / nameserver query.

kitterman.com/dmarc/assistant.html

Kitterman Technical Services maintains the best DMARC Record Assistant that can quickly create perfect DMARC records for your domain. DMARC's various record options are clearly explained. Use this to avoid typos and to create records that do what you i ...

dmarc.org

DMARC.ORG is where the DMARC technical specification was born. There's a lot of good information to be had on the site, including FAQs, overviews, and news.

www.kitterman.com/spf/validate.html

These tools are meant to help you deploy SPF records for your domain. They use an actual RFC 7208 compliant library (pyspf) for tests and will dynamically test for processing limit errors (no other testers I'm aware of do this). This site uses a cachin ...

dmarcian.com/dmarc-what/

This is a simple article explaining what DMARC is for and how it works.

www.appmaildev.com/en/spf/

This is a SPF test tool provided by AdminSystem Software Limited. To use it you send an email to the account they temporarily create for you and then you get a reply with a report in it.

This page also has instructions on how to test SPF (Sende ...

www.appmaildev.com/en/domainkeys/

This is a DomainKeys test tool provided by AdminSystem Software Limited. To use it you send an email to the account they temporarily create for you and then you get a reply with a report in it.

This page also has instructions on how to test Dom ...

www.appmaildev.com/en/dkim/

This is a DKIM test tool provided by AdminSystem Software Limited. To use it you send an email to the account they temporarily create for you and then you get a reply with a report in it.

This page also has instructions on how to test DKIM sign ...

www.mtgsy.net/dns/spfwizard.php

This SPF wizard generates DNS records that can be added to your dns zone file based on the information you supply. Suitable for use with almost all dns servers that support TXT and SPF including Cloudfloordns.

www.websitepulse.com/help/tools.php

Website

• Website Test - The Website test verifies the server status, downloads the full HTML content an ...
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www.unlocktheinbox.com

The ultimate resource and tools site for email delivery, including DNS Tools, WHOIS Lookup, Blacklist Checker, IP Address converter, Spam Checker, and so much more.

We made available a plethora of free tools (located on the top navigation menu) ...

email.about.com/od/accessingyahoomail/fl/How-to-Access-Your-...

Add your Yahoo! Mail account to your email program using POP and have it download new messages in easy to configure a manner.

my.hostmonster.com/cgi/help/yahoo

Learn how to check your email accounts from within Yahoo! Mail. This tutorial will show you how to setup a POP account in Yahoo! Mail.

help.yahoo.com/kb/SLN3527.html

Learn how to consolidate your email accounts under one interface.

One of the easiest ways to clear clutter is to use the account switcher feature. You can send and receive emails with your other Yahoo and non Yahoo addresses by adding them to y ...

www.youtube.com/watch?v=fd_WsQH2biI

A video entitled 'Sage Line 50 Export data to Excel 2007'

www.wikihow.com/Synchronize-Outlook-Data-with-Yahoo

Many office workers manage both a personal and professional email account. Certain programs, such as Microsoft Outlook, allow you to combine the messages, calendar appointments, email addresses and other data in a single program. Then, you can decide h ...

windows.microsoft.com/en-gb/outlook/yahoo-imap

When you add your IMAP-enabled account (such as Yahoo! Mail) to Outlook.com you can continue to send and receive new email from your current account.