Top Rated Mail-in-a-box Alternatives

Relatively easy to set up, works right out of the box, administration is easy to use. Review collected by and hosted on G2.com.
Technical maintenance can be somewhat difficult, and difficult to recover from if there's a failure, which makes putting this into a production environment risky, unless you're very technical and have the knowledge and experience. Security needs are also somewhat complicated to implement, and deep InfoSec knowledge is important if this is to be used in a production setting. Review collected by and hosted on G2.com.
4 out of 5 Total Reviews for Mail-in-a-box

It facilitates to mail contacts and calendar synchronisation.
This software has the facility of spam protection Review collected by and hosted on G2.com.
It hang sometimes. During heavy traffic it happens Review collected by and hosted on G2.com.
it is very very simple way of creating a mail acoount. Even if you are an idiot about technology :) also it can be worked parallel with your website if you add the email account Review collected by and hosted on G2.com.
The price is not high actually but Free version could be with limited option. Review collected by and hosted on G2.com.
- I like the security provided.
- I'm happy to use Let's Encrypt without using free SSL providers which request my personal information.
- Great panel to manage my users & my domains and check the system status.
- I like the ability to use a tag with any email account (contact+hello@exemple.com). Review collected by and hosted on G2.com.
Greylisted is a little frustrating at first (because of delaying) but after realizing its usefulness with low memory machine and reduces the number of analysis performed by Spamassassin. Unable to use with disabling bind and nsd to use only external dns. Review collected by and hosted on G2.com.