Relaying is where email is neither to or from a local user. All the following settings are found in the MDaemon GUI under Security -> Security Settings:. The ones shown are our recommended defaults and should only differ in very specific situations. The default and recommended settings are shown below and can be found in the MDaemon under Accounts -> Account Options -> Passwords:-Ĭheck the settings shown below on your server.
#Mdaemon mail server authentication from security gateway update#
Make sure that all your accounts have strong passwords that cannot be guessed by spammers and that, ideally, are not used elsewhere.ĭon’t use the same password across multiple accounts and definitely avoid setting the password to match the account username – both situations are asking for trouble!Ĭonfigure your server to require strong passwords and update the ‘Bad password file’ to stop users configuring passwords that are insecure. In this post I will run through a few simple pro-active settings checks that can reduce the chances of this happening and – in the unfortunate event that it does happen – can limit the resulting negative effects. The first thing to note is that if your company has an email server, you should assume that spammers will always be trying to hijack users’ accounts by guessing their passwords. The usual result is an overflowing outbound mail queue, thousands of bounce messages coming in and your server’s IP address being blacklisted. This year in particular, I’ve seen an increasing number of users’ email account credentials become compromised, which has allowed spammers free reign to use their mail server to send spam out to the Internet.
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