| | | | |
| U |
| |
| | UID, valid characters (  ) |
| |
| | Unauthorized Bulk Email ( ) |
| |
| | unconfiguring high availability ( ) |
| |
| | undelivered messages ( ) |
| |
| | uninstallation, high availability ( ) |
| |
| | uniqueMember ( ) |
| |
| | UNIX system users and groups ( ) |
| |
| | unrecognized |
| | | domain specification ( ) |
| | | host specification ( ) |
| |
| | unrestricted ( ) |
| |
| | unrestricted channel keyword ( ) |
| |
| | unsolicited bulk email, See anti-spam |
| |
| | UpdateMsg parameter ( ) |
| |
| | upgrade ( ) |
| | | migrating mailboxes ( ) |
| |
| | upgrading from 5.2 ( ) |
| |
| | urgentbackoff ( ) |
| |
| | urgentbackoff channel keyword ( ) |
| |
| | urgentblocklimit ( ) |
| |
| | urgentblocklimit channel keyword ( ) |
| |
| | urgentnotices ( ) |
| |
| | urgentnotices channel keyword ( ) |
| |
| | USE_CHECK ( ) |
| |
| | useconfig utility ( ) |
| |
| | USE_DOMAIN_DATABASE, enabling direct LDAP ( ) |
| |
| | USE_FORWARD_DATABASE ( ) ( ) ( ) |
| |
| | useintermediate ( ) |
| |
| | user |
| | | access monitoring ( ) |
| | | removing ( ) |
| |
| | usercertfilter ( ) |
| |
| | user directory ( ) ( ) |
| |
| | USE_REVERSE_DATABASE ( ) ( ) ( ) ( ) |
| | | enabling direct LDAP ( ) |
| |
| | user folders, troubleshooting the message store ( ) |
| |
| | User ID, valid characters ( ) |
| |
| | user login., See login |
| |
| | user mailbox directory problems, troubleshooting the message store ( ) |
| |
| | User Management Utilities, See Delegated Administrator |
| |
| | users and groups, UNIX system ( ) |
| |
| | users, creation ( ) |
| |
| | userswitchchannel ( ) |
| |
| | use_text_databases ( ) |
| |
| | using native sendmail configuration file ( ) |
| |
| | utilities ( ) |
| |
| | uucp ( ) |
| |
| | UUCP address rewrite rules ( ) |
