Shared links not valid to email user, shared links to AD user works fine

nextcloud vers 14.05
Ubuntu 18.04.
PHP version ?

The issue you are facing:
shareing witch AD-user no problem - all works fine.
shareing with mail user (external like gmx) the links are not valid.
the mail user get 2 mails, one with the link (that not works) one with the password.
this funktion was ok till last week, no changes before.
no reboot, or update fix this error.

Is this the first time you’ve seen this error? y

Steps to replicate it:

  1. login with a AD User, share one file or folder to a emailuser.
  2. user gets mail with link and password, but link dont works.
  3. grafik

The output of your Nextcloud log in Admin > Logging:

|Error|PHP|ldap_search(): Partial search results returned: Sizelimit exceeded at /snap/nextcloud/10791/htdocs/apps/user_ldap/lib/LDAP.php#293|2019-01-18T09:04:41+0100|
|---|---|---|---|
|Info|core|Trusted domain error. "124.88.64.223" tried to access using "xxIPxx" as host.|2019-01-18T07:54:52+0100|
ror	PHP	ldap_search(): Partial search results returned: Sizelimit exceeded at /snap/nextcloud/10791/htdocs/apps/user_ldap/lib/LDAP.php#293	2019-01-17T16:41:55+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 35: Unknown SSL protocol error in connection to www.nextcloud.com:443 (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php - line 150:

    GuzzleHttp\Handler\CurlFactory::createRejection(GuzzleHttp\H ... l}, { errno: 35, ... 8})

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Handler/CurlFactory.php - line 103:

    GuzzleHttp\Handler\CurlFactory::finishError(GuzzleHttp\H ... {}, GuzzleHttp\H ... l}, GuzzleHttp\H ... {})

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Handler/CurlHandler.php - line 43:

    GuzzleHttp\Handler\CurlFactory::finish(GuzzleHttp\H ... {}, GuzzleHttp\H ... l}, GuzzleHttp\H ... {})

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Handler/Proxy.php - line 28:

    GuzzleHttp\Handler\CurlHandler->__invoke("*** sensiti ... *", "*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Handler/Proxy.php - line 51:

    GuzzleHttp\Handler\Proxy::GuzzleHttp\Handler\{closure}("*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/PrepareBodyMiddleware.php - line 37:

    GuzzleHttp\Handler\Proxy::GuzzleHttp\Handler\{closure}("*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Middleware.php - line 30:

    GuzzleHttp\PrepareBodyMiddleware->__invoke("*** sensiti ... *", "*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/RedirectMiddleware.php - line 70:

    GuzzleHttp\Middleware::GuzzleHttp\{closure}("*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Middleware.php - line 59:

    GuzzleHttp\RedirectMiddleware->__invoke("*** sensiti ... *", "*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/HandlerStack.php - line 67:

    GuzzleHttp\Middleware::GuzzleHttp\{closure}("*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Client.php - line 277:

    GuzzleHttp\HandlerStack->__invoke("*** sensiti ... *", "*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Client.php - line 125:

    GuzzleHttp\Client->transfer("*** sensiti ... *", "*** sensiti ... *")

    /snap/nextcloud/10791/htdocs/3rdparty/guzzlehttp/guzzle/src/Client.php - line 131:

    GuzzleHttp\Client->requestAsync("get", GuzzleHttp\Psr7\Uri {}, { verify: "/ ... }})

    /snap/nextcloud/10791/htdocs/lib/private/Http/Client/Client.php - line 161:

    GuzzleHttp\Client->request("get", "https://www.nextcloud.com/", { verify: "/ ... e})

    /snap/nextcloud/10791/htdocs/settings/Controller/CheckSetupController.php - line 153:

    OC\Http\Client\Client->get("https://www.nextcloud.com/")

    /snap/nextcloud/10791/htdocs/settings/Controller/CheckSetupController.php - line 135:

    OC\Settings\Controller\CheckSetupController->isSiteReachable("www.nextcloud.com")

    /snap/nextcloud/10791/htdocs/settings/Controller/CheckSetupController.php - line 601:

    OC\Settings\Controller\CheckSetupController->isInternetConnectionWorking()

    /snap/nextcloud/10791/htdocs/lib/private/AppFramework/Http/Dispatcher.php - line 166:

    OC\Settings\Controller\CheckSetupController->check()

    /snap/nextcloud/10791/htdocs/lib/private/AppFramework/Http/Dispatcher.php - line 99:

    OC\AppFramework\Http\Dispatcher->executeController(OC\Settings\ ... {}, "check")

    /snap/nextcloud/10791/htdocs/lib/private/AppFramework/App.php - line 118:

    OC\AppFramework\Http\Dispatcher->dispatch(OC\Settings\ ... {}, "check")

    /snap/nextcloud/10791/htdocs/lib/private/AppFramework/Routing/RouteActionHandler.php - line 47:

    OC\AppFramework\App::main("OC\\Setting ... r", "check", OC\AppFramew ... {}, { _route: "s ... "})

    OC\AppFramework\Routing\RouteActionHandler->__invoke({ _route: "s ... "})

    /snap/nextcloud/10791/htdocs/lib/private/Route/Router.php - line 297:

    call_user_func(OC\AppFramew ... {}, { _route: "s ... "})

    /snap/nextcloud/10791/htdocs/lib/base.php - line 987:

    OC\Route\Router->match("/settings/ajax/checksetup")

    /snap/nextcloud/10791/htdocs/index.php - line 42:

    OC::handleRequest()

	2019-01-17T15:46:45+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)	2019-01-17T15:46:43+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to www.nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)	2019-01-17T15:46:38+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)	2019-01-17T15:46:36+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)	2019-01-17T15:46:32+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)	2019-01-17T15:46:16+0100
Error	internet_connection_check	GuzzleHttp\Exception\ConnectException: cURL error 7: Failed to connect to www.nextcloud.com port 443: Connection timed out (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)