Various ISP Mail Limits
- http://www.rrsecurity-abuse.com/faqs.php#18
- http://postmaster.aol.com/Postmaster.Errors.html#421rlynw
- http://postmaster.rr.com/bc_mail_system – Business Class RR
- https://docs.microsoft.com/en-us/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits#distribution-group-limits
- Microsoft online limits
- https://docs.mailpoet.com/article/49-lists-of-hosts-and-their-sending-limits list of hosts limits
Limits on the amount of email you can send
- http://www.emailaddressmanager.com/tips/email-address-limit.html
- http://www.emailaddressmanager.com/tips/email-rate-limit.html
Howto Mail Merge Outlook
- http://omma.sourceforge.net/about.php
- http://word.mvps.org/FAQs/MailMerge/MergeWithAttachments.htm
- http://www.maxwell.syr.edu/uploadedFiles/ict/Training/Handouts/Handout%20-%20EmailMergeWithAttachment(1).pdf
Diagnostics
- http://multirbl.valli.org/ – Blacklist lookup
- http://psbl.org/ Passive Spam Block List
- http://mxtoolbox.com/blacklists.aspx
- http://www.vircom.com/security/deep-header-inspection-use-with-caution/ Deep Header inspection
- http://www.emailreg.org/index.cgi?p=home – register your email domain
- http://network-tools.com/ network tools, ping, lookup, traceroute, blacklist check
- http://help.securepaynet.net/article/3568#rlb Dealing with BounceBacks
- http://www.whitelisted.org/ dont use they charge when uceprotect blacklists a range of IP addresses and you are in that range
- http://www.blacklistalert.org black list check can not remove entries
- http://whatismyipaddress.com/blacklist-check another blacklist check
- http://www.mail-tester.com test the spammy ness of your email
- https://testconnectivity.microsoft.com/ microsoft test email connectivity
- https://www.gaijin.at/en/infos/e-mail-header-fields list of header fields and explanation
Reputation check
- https://ers.trendmicro.com/reputations
- http://www.senderbase.org/ reputation check
- http://www.reputationauthority.org reputation check
Sender ID info
- Sender ID Framework SPF Record Wizard Microsoft wizard
- www.spfwizard.net – generate spf record
- openspf.org
- Hover how to
Verify your dns records
- spf http://www.kitterman.com/spf/validate.html
- dkimcore.org
- http://www.intodns.com/
- http://www.dnsstuff.com/
Request removal from spam list
- Godaddy – http://unblock.secureserver.net/
- Microsoft how to – http://community.spiceworks.com/how_to/show/67285-getting-delisted-by-microsoft-delist-messaging-microsoft-com
- Outlook.com removal – https://goo.gl/3vDtmn
- o365 delist https://sender.office.com
Government rulz
- https://cyber.dhs.gov/bod/18-01/ Binding Operational Directive 18-01