# Documentation

- [Outgoing Emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails.md)
- [Sending manual emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-manual-emails.md)
- [The difference between email editors](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-manual-emails/the-difference-between-email-editors.md)
- [Enabling template categories so templates can be chosen on the Email screen](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-manual-emails/enabling-template-categories-so-templates-can-be-chosen-on-the-email-screen.md)
- [Mail Generation Queue (formerly called Event Queue)](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-manual-emails/mail-generation-queue-formerly-called-event-queue.md)
- [Manual Email Default Settings](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-manual-emails/manual-email-default-settings.md)
- [Sending issue filters by email](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/sending-issue-filters-by-email.md)
- [Email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates.md)
- [Adding custom macro to email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-custom-macro-to-email-templates.md)
- [Adding Email Audit Log to email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-email-audit-log-to-email-templates.md)
- [Adding fields to email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-fields-to-email-templates.md)
- [Adding issue comments to emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-issue-comments-to-emails.md)
- [Adding issue link information to your template](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-issue-link-information-to-your-template.md)
- [Adding issue operation links to the email](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-issue-operation-links-to-the-email.md)
- [Adding a signature with a company logo to emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-a-signature-with-a-company-logo-to-emails.md)
- [Adding user properties to emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/adding-user-properties-to-emails.md)
- [Disabling links and avatars or icons in templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/disabling-links-and-avatars-or-icons-in-templates.md)
- [Formatting Date and Time values](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/formatting-date-and-time-values.md)
- [Using reply templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/using-reply-templates.md)
- [Using Mail Body Initializer templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/using-mail-body-initializer-templates.md)
- [Rendering templates within templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/rendering-templates-within-templates.md)
- [Velocity Context in email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/velocity-context-in-email-templates.md)
- [Formatting number values](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/formatting-number-values.md)
- [Searching for issues in email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/searching-for-issues-in-email-templates.md)
- [Changelog information in email templates](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/changelog-information-in-email-templates.md)
- [Canned responses](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/email-templates/canned-responses.md)
- [Contexts](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/contexts.md)
- [Context Resolution Algorithm](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/contexts/context-resolution-algorithm.md)
- [Event Notifications](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/event-notifications.md)
- [Distribution lists](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/distribution-lists.md)
- [Workflow post functions](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/workflow-post-functions.md)
- [Custom fields](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/outgoing-emails/custom-fields.md)
- [Incoming Emails](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails.md)
- [Attachment Filtering](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/attachment-filtering.md)
- [Next Generation Mail Handlers](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/next-generation-mail-handlers.md)
- [Jira automation and Next Generation Mail Handlers](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/next-generation-mail-handlers/jira-automation-and-next-generation-mail-handlers.md)
- [Using regular expressions](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/next-generation-mail-handlers/using-regular-expressions.md)
- [Classic Mail Handlers - Deprecated](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated.md)
- [Mail Handler Error Log](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated/mail-handler-error-log.md)
- [Step-by-step Classic Mail Handler to Next Generation Mail Handler migration aid](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated/step-by-step-classic-mail-handler-to-next-generation-mail-handler-migration-aid.md)
- [Field Rules](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated/field-rules.md)
- [Phasing out the Classic Mail Handler](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated/phasing-out-the-classic-mail-handler.md)
- [Comparing the Classic and the Next Generation Mail Handlers](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/incoming-emails/classic-mail-handlers-deprecated/comparing-the-classic-and-the-next-generation-mail-handlers.md)
- [Integrations](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/integrations.md)
- [CRM for Jira](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/integrations/crm-for-jira.md)
- [nFeed](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/integrations/nfeed.md)
- [Glass Documentation](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/integrations/glass-documentation.md): Gather Email This Issue settings for any project with Glass
- [API - Integration with other services](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/integrations/api-integration-with-other-services.md)
- [Administration](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration.md)
- [Mail Server Connections](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections.md)
- [Gmail with OAuth2](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/gmail-with-oauth2.md)
- [Microsoft with OAuth2](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2.md)
- [Microsoft IMAP and SMTP with OAuth2](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/microsoft-imap-and-smtp-with-oauth2.md)
- [Microsoft Graph API with OAuth2](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/microsoft-graph-api-with-oauth2.md)
- [Graph API with Auth Code (Delegated access)](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/microsoft-graph-api-with-oauth2/graph-api-with-auth-code-delegated-access.md)
- [Graph API with Client Credentials Grant (Application access)](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/microsoft-graph-api-with-oauth2/graph-api-with-client-credentials-grant-application-access.md)
- [Troubleshooting guides for Microsoft OAuth2 Connections](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections.md)
- [How to fix "Authorization Was Interrupted" error](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections/how-to-fix-authorization-was-interrupted-error.md)
- [How to fix "BAD User is authenticated but not connected" error](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections/how-to-fix-bad-user-is-authenticated-but-not-connected-error.md)
- [How to fix "401 Unauthorized" error](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections/how-to-fix-401-unauthorized-error.md)
- [How to fix "key expires\_in " error](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections/how-to-fix-key-expires_in-error.md)
- [How to fix "Need admin approval" error](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/microsoft-with-oauth2/troubleshooting-guides-for-microsoft-oauth2-connections/how-to-fix-need-admin-approval-error.md)
- [Custom Mail Server: Basic Authentication](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/mail-server-connections/custom-mail-server-basic-authentication.md)
- [General configuration](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/general-configuration.md)
- [Email Audit Log](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/email-audit-log.md)
- [Outgoing Mail Connections](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/outgoing-mail-connections.md)
- [Outgoing Mail Queue](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/outgoing-mail-queue.md)
- [Incoming Mail Connections](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/incoming-mail-connections.md)
- [Incoming Mail Queue](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/incoming-mail-queue.md)
- [Incoming Mail Log](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/incoming-mail-log.md)
- [Backup and restore settings](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings.md)
- [Backup and restore administration](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-administration.md)
- [Backup menu](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-administration/backup-menu.md)
- [Restore menu](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-administration/restore-menu.md)
- [Backup and Restore Tutorials](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-tutorials.md)
- [Backup and restore for empty email settings](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-tutorials/backup-and-restore-for-empty-email-settings.md)
- [Backup and restore only parts of a configuration](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-tutorials/backup-and-restore-only-parts-of-a-configuration.md)
- [Backup and restore every setting in the same instance](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/backup-and-restore-settings/backup-and-restore-tutorials/backup-and-restore-every-setting-in-the-same-instance.md)
- [OAuth2 Client Credentials](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/oauth2-client-credentials.md)
- [Alerting via Webhooks](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/alerting-via-webhooks.md)
- [Webhooks](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/alerting-via-webhooks/webhooks.md)
- [Configuring Slack to receive webhooks](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/alerting-via-webhooks/webhooks/configuring-slack-to-receive-webhooks.md)
- [Configuring OpsGenie to receive webhooks](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/alerting-via-webhooks/webhooks/configuring-opsgenie-to-receive-webhooks.md)
- [Webhook execution logs](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/alerting-via-webhooks/webhook-execution-logs.md)
- [Email Security](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/administration/email-security.md)
- [Service management integration](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/service-management-integration.md)
- [JQL Functions](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/jql-functions.md)
- [Top-level menu navigation](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/top-level-menu-navigation.md)
- [JAVA security provider changes](/email-this-issue/email-this-issue-for-jira-server-data-center/documentation/java-security-provider-changes.md): When the JAVA security provider changes,  some unexpected errors might be experienced on the pages, where passwords are stored, and/or e-mail processing may be stopped.