Month: April 2026

Clamav | Roundcube
Debugging Roundcube SMTP Errors Caused by ClamAV Out of Memory Kills
ByPieter Bakker 06/04/202606/04/2026
During a routine log review on one of my Postfix/Dovecot mail servers, I noticed a pattern of SMTP send failures in the Roundcube webmail logs. The errors were intermittent, affecting messages with larger attachments, and had been occurring for about a day before I spotted them. What followed was a debugging session that traced the…
Read More Debugging Roundcube SMTP Errors Caused by ClamAV Out of Memory Kills

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