Other MTAs are available for use with Ubuntu, but those discussed in the previous sections are the most popular. Which one should you choose? That depends on what you need to do. Postfix's main strengths is that it scales well and can handle large volumes of email at high speeds, not to mention that it is much easier to configure than the more cryptic Sendmail. However, you may find that there are specific things that you need that only Sendmail can provide. It is easy to switch between MTAs when you need to.
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