Mapi session /o=*** /ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=user658d60e3 with client type PopImap exceeded the maximum of 16 objects of type Session.
| | | | | [ SystemTime] | 2015-12-25T02:04:19.000000000Z |
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| | | | | [ SystemTime] | 2015-12-25T02:04:19.000000000Z |
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| | | Computer | mailback.cnwansun.com |
|
| | | /o=***/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=user658d60e3 |
| | | 5B444941475F4354585D00003C000000FF20000000000000000220000000B0B90010E404000050E2502010000000506F70496D6170005082101011000000 |
请问是什么问题，要怎么解决？