A good domain reputation increases the deliverability of your emails. This guide discusses what influences domain reputation and what can be done to maintain or improve it.| postmarkapp.com
Dedicated IP addresses are not a sure way to improve delivery, and sometimes, can actually hurt email delivery. Here's why.| postmarkapp.com
The blacklist check will test a mail server IP address against over 100 DNS based email blacklists. (Commonly called Realtime blacklist, DNSBL or RBL). If your mail server has been blacklisted, some email you send may not be delivered. Email blacklists are a common way of reducing spam. If you don't know your mail server's address, start with a MX Lookup. Or, just send an email to ping@tools.mxtoolbox.com| mxtoolbox.com
DKIM is an email security standard designed to make sure messages weren’t altered in transit between the sending and recipient servers.| postmarkapp.com
Email deliverability is the ability to deliver an email to a recipient's inbox in a timely manner.| postmarkapp.com
Domain reputation is the opinion receivers have of your domain, which helps them decide if your emails should make it to a recipient’s inbox instead of being rejected or ending up in a spam folder.| postmarkapp.com
