Confluence 存在重复发送多封相同邮件的问题

页面通过邮件方式分享,存在重复发送多封相同邮件的问题。(使用的邮箱是正常的。)

-- referer: http://192.168.4.180:8090/pages/reorderpages.action?key=S920&openId=327701 | url: /pages/children.action | traceId: c1e63e883d6702be | userName: admin
2021-06-24 20:08:28,913 ERROR [http-nio-8090-exec-2] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/pages/reorderpages.action?key=S920&openId=327701 | url: /rest/link-preview/1.0/licenseManager/validate | traceId: faa8e167d2551753 | userName: admin
2021-06-24 20:08:31,913 ERROR [http-nio-8090-exec-1] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/display/S920 | url: /rest/link-preview/1.0/licenseManager/validate | traceId: 21f8b6a64ebf4333 | userName: admin
2021-06-24 20:10:00,360 ERROR [http-nio-8090-exec-10] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/authenticate.action?destination=%2Fplugins%2Fservlet%2Fupm | url: /rest/link-preview/1.0/licenseManager/validate | traceId: 86eb768e9f3f28b2 | userName: admin
2021-06-24 20:10:05,034 WARN [http-nio-8090-exec-8] [atlassian.upm.pac.PacClientImpl] fetchMpacAppInfo Error when querying application info from MPAC: com.atlassian.marketplace.client.MpacException: java.net.UnknownHostException: marketplace.atlassian.com
 -- referer: http://192.168.4.180:8090/plugins/servlet/upm | url: /rest/plugins/1.0/product-version | traceId: 46e57064197ed69b | userName: admin
2021-06-24 20:10:06,354 ERROR [NotificationSender:thread-1] [plugin.notifications.dispatcher.NotificationErrorRegistryImpl] addError Error sending notification to server '<Unknown>'(-1) for INDIVIDUAL task (resent 0 times): Error sending to address 'com.atlassian.confluence.plugins.sharepage.notifications.context.ShareNotificationAddress@482e2abd' on server 'System Mail'
NotificationException: javax.mail.MessagingException: Exception reading response;
  nested exception is:
        java.net.SocketTimeoutException: Read timed out
 -- url: /rest/share-page/latest/share | referer: http://192.168.4.180:8090/display/S920 | traceId: 98660c21276786db | userName: admin
2021-06-24 20:12:16,498 ERROR [NotificationSender:thread-1] [plugin.notifications.dispatcher.NotificationErrorRegistryImpl] addError Error sending notification to server '<Unknown>'(-1) for INDIVIDUAL task (resent 1 times): Error sending to address 'com.atlassian.confluence.plugins.sharepage.notifications.context.ShareNotificationAddress@482e2abd' on server 'System Mail'
NotificationException: javax.mail.MessagingException: Exception reading response;
  nested exception is:
        java.net.SocketTimeoutException: Read timed out
2021-06-24 20:14:40,391 INFO [Caesium-1-2] [agent.service.check.StaleChecksCleaner] info Cleaning stale checks
2021-06-24 20:16:26,625 ERROR [NotificationSender:thread-1] [plugin.notifications.dispatcher.NotificationErrorRegistryImpl] addError Error sending notification to server '<Unknown>'(-1) for INDIVIDUAL task (resent 2 times): Error sending to address 'com.atlassian.confluence.plugins.sharepage.notifications.context.ShareNotificationAddress@482e2abd' on server 'System Mail'
NotificationException: javax.mail.MessagingException: Exception reading response;
  nested exception is:
        java.net.SocketTimeoutException: Read timed out
2021-06-24 20:18:18,435 ERROR [http-nio-8090-exec-6] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/dashboard.action | url: /rest/link-preview/1.0/licenseManager/validate | traceId: e1e42428260f7bfe | userName: admin
2021-06-24 20:19:11,315 ERROR [http-nio-8090-exec-5] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/authenticate.action?destination=%2Fplugins%2Fservlet%2Fcustomize-application-navigator | url: /rest/link-preview/1.0/licenseManager/validate | traceId: 8b625e5676ba94b4 | userName: admin
2021-06-24 20:19:38,863 ERROR [http-nio-8090-exec-6] [link.preview.rest.LicenseManager] validateKey ERROR LICENSE IS EMPTY
 -- referer: http://192.168.4.180:8090/dashboard.action | url: /rest/link-preview/1.0/licenseManager/validate | traceId: f7ca1d9aaa5f32dc | userName: admin

这个问题,请参考:Confluence 邮件配置发送异常 - #2 by honeymoose 中的说明。

感觉可能是因为你 SMTP 邮件服务器的限制。

可以尝试使用一些商业邮件服务器测试下。