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Database error for email with large attachment #17

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daniel-lerch opened this issue Mar 31, 2021 · 0 comments

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bug

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daniel-lerch commented Mar 31, 2021

We received a message with four attachments of at least 16MB in total which got stuck and prevented other mails to be delivered:

PHP Fatal error:  DB ERROR (db_insert_data): 1153: Got a packet bigger than 'max_allowed_packet' bytes,
QUERY: INSERT INTO `ko_mailing_mails` (`body`, `header`, `size`, `status`, `crdate`, `code`,
`subject`, `from`, `user_id`, `sender_email`, `recipient`, `modify_rcpts`, `rectype`, `crm_project_ids`)
VALUES (....

This issue has to be investigated. OpenKool should deny mails with too large attachments instead of letting them cause a denial of service.

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daniel-lerch added the bug label

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