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I want to set up an IMAP server on my vServer. I googled for some servers, and I've already found some like dovecot etc. I would like to know which one is the most secure one, and which one you recommend to install. Moreover, it would be great if there are any tutorials out there to set the IMAP server up.

Thank you for your help.

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closed as not constructive by voretaq7 Aug 13 '12 at 16:23

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.

There are a number of tutorials out there specifically for Debian if you just look. E.g., this one. – larsks Aug 13 '12 at 16:17
Both product and service recommendations and "Please find me a tutorial on how to do X" questions are generally poorly suited for this site -- Google is a far better resource for these things. As Chida's answer mentioned, security is not a product - it's a commitment to properly configure and maintain your software once it's installed. – voretaq7 Aug 13 '12 at 16:23

There is nothing as the "most secure" one. The most secure one is the one that you configure, update and maintain regularly and proactively.

Having said that, Courier-IMAP has been around for a while. Dovecot seems to be the modern one and is a recent active project. It is designed from ground up to address features, security, performance and reliability.

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