![]() The consequences would be pretty bad - your ISP could block your account youĬould get blacklisted (thus not able to successfully sendĮ-mails) or worse, you could get sued. Such as hackers and spammers from using your machine toĪ faulty setup, however, can open up your machine to the world. The default configuration as shownīelow and an active firewall should keep other people Using your own mail server from dialup connections can result in your e-mail being rejected. There are one or two drawbacks to this approach, and these become more and more imminent. In fact, once you've set up postfix, you can almost forget about it. But that's not important to keep in mind. SMTP stands for Simple Mail Transfer Protocol. I will show how to activate and configure it, and how you can install postfix on the older "Jaguar" system. Newer versions of Apple's Mac OS X operating system, starting with 10.3 (Panther), come with the SMTP server postfix pre-installed, set up and almost ready to go. This is the second solution: Simply run your own SMTP server locally on your laptop. If you have such a server available (from your ISP or web-host), this is much easier and more reliable than solution two. You will need an authenticating mail server that relays mail for you, operating on port 587 (submission) instead of port 25. ![]() Or, you're in an organization that blocks port 25, a data channel used to transport e-mails from your machine, then from one server to another. T-Online in Germany nowadays charges you a few bucks extra a month if you want to use their relay server. Even internet service providers that target professional and semi-professional markets may not let you send e-mails with a foreign address in their "From" field. On the other hand, if you use a free mail service, such as Yahoo, Hotmail or GMX, they will probably force you to use their e-mail address. Why's that? Security measures! NiceCompany and everyone else have to keep spammers away, who would use their mail servers as a stepping stone to everybody's mailboxes. You can't use NiceCompany's e-mail service, and you can't use any other e-mail service either. That means, if your email address is chances are that you won't be able to send messages from outside NiceCompany while you're on the road. In tech-speak: modern SMTP servers force their users to use a specific domain part. ![]() While they can check emails from everywhere, sending is prohibited, because of technical security measures. Without direct access to the mail (SMTP) server installed at their internet service provider or their company/workplace, many people are deprived from their usual means of communication: email. Installation takes approximately 10-15 Minutes. ![]()
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