# Help with email get stuck **URL:** \ **Category:** Commercial\ **Tags:** opportunity\ **Created:** [November 20, 2021, 10:45am UTC](https://forum.mautic.org/t/help-with-email-get-stuck/21698 "2021-11-20T10:45:02Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)\ **Post date:** [November 20, 2021, 12:08pm UTC](https://forum.mautic.org/t/help-with-email-get-stuck/21698/3 "2021-11-20T12:08:20Z")
Do you know what error codes you are getting ? I have been having similar issues with 4.0.2 and have a post over here that I am sure someone will help out with shortly and this should fix your problem as well: > [@mautic.ERROR: \[MAIL ERROR\] Expected response code 250 but got an empty response](https://forum.mautic.org/t/mautic-error-mail-error-expected-response-code-250-but-got-an-empty-response/18704/7): > > We are experiencing the same issue with Mautic 4.0.1 with Amazon SES. The weird thing is that some emails are going through. We are running a campaign with around 300,000 contacts, and I am seeing the log start to fill up and also noticing lots of failed events. In the system log I am getting messages like this: [2021-11-18 18:24:51] mautic.ERROR: [MAIL ERROR] Expected response code 250 but got an empty response (send); kfdsfd@wfdsf.com {"exception":"[object] (Swift\_TransportException(code: … --- _[View the full topic](https://forum.mautic.org/t/help-with-email-get-stuck/21698)._