Steven Sublett
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Articles
Recent activity by Steven Sublett-
LMTP Server Monitor feature
Question We received an automated message informing us that our server does not monitor the "LMTP (Local Mail Transport Protocol) Server". I've looked around. I cannot find documentation as to what...
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Can you downgrade MySQL/MariaDB on a cPanel system?
QuestionCan you downgrade MySQL/MariaDB on a cPanel system? AnswerThere is currently no supported method to downgrade MySQL/MariaDB on a cPanel server. Additional ResourcescPanel Docs: MySQL/Maria...
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Does cPanel perform DMARC validation on received/incoming emails?
Question Incoming mail has not been validated according to DMARC policies (SPF and DKIM). I'm trying to prevent mail address spoofing. Does cPanel perform DMARC validation on received/incoming em...
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How to save emails from being deleted?
Introduction Users can save emails to prevent them from being deleted from the server in specific circumstances. For example, if the email user connects to get their email with POP3, the email is r...
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Why did the admin email receive Disk quota notifications?
Question Client setups different contact email addresses for each cPanel account. Why did the admin email receive Disk quota notifications? Answer Disk quota notifications are enabled by default ...
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How do I enable the Dovecot mail_log plugin?
QuestionHow do I enable the Dovecot mail_log plugin?AnswerYou may use the mail_log plugin to diagnose issues with mail being uploaded and downloaded by email clients. This plugin adds the ability t...
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Rebuild PTR / Reverse DNS Cache and Update Mail HELO for Email deliverability
Symptoms After updating the PTR record for the server's hostname, Email Deliverability is still showing the old PTR record. The interface also indicates the record doesn't match. The system uses an...
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What is Apache SpamAssassin?
QuestionWhat is Apache SpamAssassin?AnswerApache SpamAssassin examines incoming emails and tests for spam characteristics by evaluating specific parts of an email. Using Bayesian filtering techniqu...
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How to adjust SpamAssassin rule scoring server-wide
QuestionHow do you adjust SpamAssassin rule scoring server-wide? AnswerSpamAssassin determines whether or not a message is spam based on the message's final calculated spam score. The overall score...
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Calendar import problem from Horde exporter
Symptoms Calendar events fail to load in Roundcube. The error log returns the following message. [21-Jul-2024 00:54:20 UTC] PHP Fatal error: Uncaught Sabre\VObject\InvalidDataException: Unknown val...