MxToolbox Delivery Center Reviews in June 2026: User Ratings, Pros & Cons

"Gives quick and complete insight in mail server problems "

What do you like best about MXToolbox? Operating a mailserver can be nuisance. Especially when things are not working it is often a struggle to find the exact reason. Sometimes problems are with a single customer and others have no issues at all. Other issues like rejected mail due to a blacklisted server are hard to explain to users who just want to mail to that one specific person but can't because their server is rejecting yours.

"The best website for Admins"

What do you like best about MXToolbox? This site has the best tools for IT admins. They make my life easier daily. I use their tools all the time. I setup a log of mail server for clients and mxtoolbox is my go to for testing and problem solving.

"A needed suite of tools for mail management"

What do you like best about MXToolbox? Blacklists, SMTP test, record lookup. MX toolbox is a needed companion to mail servers. What do you dislike about MXToolbox?

"One of my favorite, easy and lightweight DNS and other diagnostics tool"

What do you like best about MXToolbox? Very much lightweight, DNS, MX or Whois lookup tool in one place, no need to reload or visit other pages. Easy to identify blacklists for domains and ip addresses.

"A Webmaster's Dream Come True"

What do you like best about MXToolbox? My favorite part of using MXToolbox is our ability to check in on MX Records and A Records after we make changes to the DNS of a website we are launching. It allows us to make sure that we have pointed everything over exactly as we should.

"One Stop Shopping for any DNS/Blacklist Fun"

What do you like best about MXToolbox? I use MXToolbox any time I want to look up MX records for a domain, check Blacklist status for a domain or mail server, and to perform other general public DNS information gathering.

"Active blacklist monitoring and useful tools"

What do you like best about MXToolbox? I actually used this frequently as a web host tech support rep. The ability to receive alerts the exact moment you are blacklisted is awesome. And it's not just for blacklist monitoring, there are several other host/domain tools like dns check, whois, mx record lookup, and many more.

"Great set of tools!"

What do you like best about MXToolbox? I love the blacklist monitor. It helps us make sure our emails were going out and notified when they may not. Can't tell you how many times it helped us be proactive on email issues.

"Amazing Toolbox"

What do you like best about MXToolbox? I have used this many times to troubleshoot e-mail issues as well as block easily identificable SPAM for businesses. What do you dislike about MXToolbox?

"The "Go-To" for email issues"

What do you like best about MXToolbox? Whenever I get a help desk request for a bounce message or anything of the sort, I go straight to MXToolbox.com and search for blacklists or other issues. It works great & has helped me with many investigations. They also will automatically alert you if your domain gets blacklisted (a must have for marketing companies)