{{Note box|Even with POP and IMAP configured for public access, users outside your local network are not able to send e-mail using your server as their SMTP host. Allowing this would open your server to abuse by spammers as a mail relay. Users who are travelling should either:<br />
{{Note box|Even with POP and IMAP configured for public access, users outside your local network are not able to send e-mail using your server as their SMTP host. Allowing this would open your server to abuse by spammers as a mail relay. Users who are travelling should either:<br />
a. use the STMP server of their local ISP;<br />
a. use the STMP server of their local ISP;<br />
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a. use PPTP to connect to your internal network; or<br />
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b. use PPTP to connect to your internal network;<br />