![]() Web scripts for malicious mass mailing.Ī malicious user can use a Plesk customer account in order to create a website with a script that will distribute spam emails.You can prevent this type of threat by limiting the number of outgoing email messages from a mailbox. Also, if customers use very weak passwords, their passwords can be obtained by using brute force tools. SMTP user account credentials can be stolen by malicious users when they hack a mail server by using a system vulnerability (for example, PHP vulnerability) or an application exploit (for example, exploit for an outdated WordPress version). Plesk introduces different limits for prevention of the following different types of threats: In addition, the administrator can easily determine the exact source of possible spam with the help of reports and notifications. You can specify limits on outgoing mail at the following levels: mail server, service plan, subscription, domain, and mailbox.Īdministrators can prevent outgoing spam by using limits on the number of outgoing email messages per hour. This tool gathers statistics about outgoing messages and prevents mail being sent when specified limits are exceeded. To prevent spam being sent from your server, Plesk offers a tool that controls the sending of email messages. What’s more important, your server IP addresses might be added to public black lists, such as Spamhaus or OpenBL lists. ![]() Outgoing spam can cause an increased load on the server and complaints from recipients. ![]() If your hosting offerings include mail services, keep in mind that your mail server can be used for malicious purposes, such as sending spam. Go to documentation for the latest version, Plesk Obsidian.
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