Redmine

I have created issue: #37540

If any one could have a solution, please help.

this issue set due day, and assigned to a group that contains some users.

and the mail will not be send, btw, those users only have this over due day issue,

Log:

I, [2022-08-31T08:01:04.957022 #48712]  INFO -- : Performed ActionMailer::DeliveryJob (Job ID: 2713b70a-ca5a-4dcd-be6c-05f5fbfc2a27) from Inline(mailers) in 328.34ms
I, [2022-08-31T08:01:04.958912 #48712]  INFO -- : Enqueued ActionMailer::DeliveryJob (Job ID: 2713b70a-ca5a-4dcd-be6c-05f5fbfc2a27) to Inline(mailers) with arguments: "Mailer", "reminder", "deliver_now", #<GlobalID:0x000055c4bcfa3f30 @uri=#<URI::GID gid://redmine-app/User/239>>, [#<GlobalID:0x000055c4bcfa3850 @uri=#<URI::GID gid://redmine-app/Issue/4366>>, #<GlobalID:0x000055c4bcfa3260 @uri=#<URI::GID gid://redmine-app/Issue/4367>>], 0
I, [2022-08-31T08:01:04.987789 #48712]  INFO -- : Performing ActionMailer::DeliveryJob (Job ID: d66e3fc2-d300-4596-954c-e82d326a5a41) from Inline(mailers) with arguments: "Mailer", "reminder", "deliver_now", #<GlobalID:0x000055c4bcfce3e8 @uri=#<URI::GID gid://redmine-app/User/240>>, [#<GlobalID:0x000055c4bcfcdce0 @uri=#<URI::GID gid://redmine-app/Issue/4366>>, #<GlobalID:0x000055c4bcfcd6c8 @uri=#<URI::GID gid://redmine-app/Issue/4367>>], 0
I, [2022-08-31T08:01:05.130486 #48712]  INFO -- :   Rendering mailer/reminder.text.erb within layouts/mailer
I, [2022-08-31T08:01:05.144093 #48712]  INFO -- :   Rendered mailer/reminder.text.erb within layouts/mailer (13.2ms)
I, [2022-08-31T08:01:05.145495 #48712]  INFO -- :   Rendering mailer/reminder.html.erb within layouts/mailer
I, [2022-08-31T08:01:05.170580 #48712]  INFO -- :   Rendered mailer/reminder.html.erb within layouts/mailer (24.9ms)
E, [2022-08-31T08:01:05.378861 #48712] ERROR -- : Email delivery error: end of file reached

Environment:
  Redmine version                4.2.7.stable
  Ruby version                   2.7.0-p0 (2019-12-25) [x86_64-linux-gnu]
  Rails version                  5.2.8
  Environment                    production
  Database adapter               Mysql2
  Mailer queue                   ActiveJob::QueueAdapters::AsyncAdapter
  Mailer delivery                smtp
SCM:
  Subversion                     1.13.0
  Mercurial                      5.3.1
  Cvs                            1.12.13
  Bazaar                         3.0.2
  Git                            2.25.1
  Filesystem                     
Redmine plugins:
  external_links_in_new_window   0.9
  redmine_closed_date            0.1.1
  redmine_custom_workflows       2.0.4
  redmine_dmsf                   3.0.3
  redmine_hearts                 2.1.1
  redmine_issue_templates        1.1.0
  redmine_issues_panel           0.0.5
  redmine_logs                   0.3.0
  redmine_mermaid_macro          1.0.1
  redmine_message_customize      0.1.5
  redmine_searchable_selectbox   0.1.10
  redmine_status_report          1.0.0
  redmine_theme_changer          0.6.0
  redmine_wysiwyg_editor         0.27.0
  redmine_xlsx_format_issue_exporter 0.1.7