In addition to the above, if you have MySQL 8.0.2 or higher, change 'function create_page_browser' in 'functions.inc.php' as follows. diff postfixadmin-3.2/functions.inc.php{.default,} 540,541c540,541 < SELECT $idxfield AS label, @row := @row + 1 AS row $querypart < ) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results --- > SELECT $idxfield AS label, @row := @row + 1 AS `row` $querypart > ) idx WHERE MOD(idx.`row`, $page_size) IN (0,$page_size_zerobase) OR idx.`row`...
Change 'function create_page_browser' in 'functions.inc.php' as follows. diff postfixadmin-3.2/functions.inc.php{.default,} 540,541c540,541 < SELECT $idxfield AS label, @row := @row + 1 AS row $querypart < ) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results --- > SELECT $idxfield AS label, @row := @row + 1 AS `row` $querypart > ) idx WHERE MOD(idx.`row`, $page_size) IN (0,$page_size_zerobase) OR idx.`row` = $count_results