majorlinux/MajorWiki

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majorlinux 1d8be8669e troubleshooting: add Fail2ban IMAP self-ban article

Documents the 2026-03-14 incident where MajorAir's public IP was banned
by the postfix-sasl jail after repeated SASL auth failures, silently
blocking all IMAP connections from Spark Desktop.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-03-14 21:57:01 -04:00

946 B

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🔧 General Troubleshooting

Practical fixes for common Linux, networking, and application problems.

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Qwen2.5-14B OOM on RTX 3080 Ti (12GB)

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