> Source: [sk142793](https://support.checkpoint.com/results/sk/sk142793)

# sk142793 - Large emails are not sent when using MTA and " Queue size exceeded " is displayed in the logs

| Property | Value |
|----------|-------|
| Solution ID | sk142793 |
| Date Created | 2018-12-27 |
| Last Modified | 2019-08-23 |
| Technical Level | Advanced |
| Products | Security Gateway, Email Security |
| Versions | R82.10, R82, R81.20, Cloud |

## Symptoms

- * Emails that have an attachment exceeding 200mb sent to a Security Gateway with MTA enabled are not delivered.
* Logs from `$FWDIR/log/emaild.mta.elg` show: "`emaild_firewall_log: control='Security Server' action=1 reason='Queue size exceeded'`".
* Logs from `/var/log/maillog` show: `"451 Retry later"�``.`

## Cause

There is a hard coded file size limit in emaild.

## Solution

This solution requires authentication. Please log in to view the full solution.

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