当我做imap pre-auth时：
/usr/libexec/dovecot/imap -u username 我可以看到imap的提示，但不知道如何列出可用的命令（如电子登出或Bselect收件箱等）。
如何列出该命令？
你去（从imap-commands.c）！
希望它可以帮助你很多！
static const struct command imap4rev1_commands[] = { { "CAPABILITY", cmd_capability, 0 }, { "LOGOUT", cmd_logout, COMMAND_FLAG_BREAKS_MAILBOX }, { "NOOP", cmd_noop, COMMAND_FLAG_BREAKS_SEQS }, { "APPEND", cmd_append, COMMAND_FLAG_BREAKS_SEQS }, { "EXAMINE", cmd_examine, COMMAND_FLAG_BREAKS_MAILBOX }, { "CREATE", cmd_create, 0 }, { "DELETE", cmd_delete, COMMAND_FLAG_BREAKS_MAILBOX | COMMAND_FLAG_USE_NONEXISTENT }, { "RENAME", cmd_rename, COMMAND_FLAG_USE_NONEXISTENT }, { "LIST", cmd_list, 0 }, { "LSUB", cmd_lsub, 0 }, { "SELECT", cmd_select, COMMAND_FLAG_BREAKS_MAILBOX }, { "STATUS", cmd_status, 0 }, { "SUBSCRIBE", cmd_subscribe, 0 }, { "UNSUBSCRIBE", cmd_unsubscribe, COMMAND_FLAG_USE_NONEXISTENT }, { "CHECK", cmd_check, COMMAND_FLAG_BREAKS_SEQS }, { "CLOSE", cmd_close, COMMAND_FLAG_BREAKS_MAILBOX }, { "COPY", cmd_copy, COMMAND_FLAG_USES_SEQS | COMMAND_FLAG_BREAKS_SEQS }, { "EXPUNGE", cmd_expunge, COMMAND_FLAG_BREAKS_SEQS }, { "FETCH", cmd_fetch, COMMAND_FLAG_USES_SEQS }, { "SEARCH", cmd_search, COMMAND_FLAG_USES_SEQS }, { "STORE", cmd_store, COMMAND_FLAG_USES_SEQS }, { "UID", cmd_uid, 0 }, { "UID COPY", cmd_copy, COMMAND_FLAG_BREAKS_SEQS }, { "UID FETCH", cmd_fetch, COMMAND_FLAG_BREAKS_SEQS }, { "UID SEARCH", cmd_search, COMMAND_FLAG_BREAKS_SEQS }, { "UID STORE", cmd_store, COMMAND_FLAG_BREAKS_SEQS } }; #define IMAP4REV1_COMMANDS_COUNT N_ELEMENTS(imap4rev1_commands) static const struct command imap_ext_commands[] = { { "CANCELUPDATE", cmd_cancelupdate,0 }, { "ENABLE", cmd_enable, 0 }, { "ID", cmd_id, 0 }, { "IDLE", cmd_idle, COMMAND_FLAG_BREAKS_SEQS | COMMAND_FLAG_REQUIRES_SYNC }, { "NAMESPACE", cmd_namespace, 0 }, { "SORT", cmd_sort, COMMAND_FLAG_USES_SEQS }, { "THREAD", cmd_thread, COMMAND_FLAG_USES_SEQS }, { "UID EXPUNGE", cmd_uid_expunge, COMMAND_FLAG_BREAKS_SEQS }, { "UID SORT", cmd_sort, COMMAND_FLAG_BREAKS_SEQS }, { "UID THREAD", cmd_thread, COMMAND_FLAG_BREAKS_SEQS }, { "UNSELECT", cmd_unselect, COMMAND_FLAG_BREAKS_MAILBOX }, { "X-CANCEL", cmd_x_cancel, 0 }, { "XLIST", cmd_list, 0 } }; #define IMAP_EXT_COMMANDS_COUNT N_ELEMENTS(imap_ext_commands)
检查此页面以获取IMAPtesting示例https://workaround.org/ispmail/lenny/test-fetching-with-imap-and-pop3