Stop spammers from exploiting your webserver!
ID: 2a4fe0f8-61ee-5058-ba6b-bd22eebf173a
STIX ID: report--2a4fe0f8-61ee-5058-ba6b-bd22eebf173a
Feed Name: The Spamhaus Project
The advisory warns that compromised web scripts can send spam by opening direct connections to recipients' MX servers (direct-to-MX spam) and recommends blocking outbound port 25 for web users, limiting SMTP connection privileges to the MTA user, and using authenticated submission (port 587) or a smarthost; it also links to resources for cleaning hacked sites and mail-server configuration.
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