# PIPELINING (client: errors, etc) need_ipv4 # server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 451 Temp error RCPT TO 550 Perm error RCPT TO 250 OK DATA 351 Send more . 250 OK **** exim -odi a b c d . **** # Response timeout server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK *sleep 2 **** exim -odi a b c . **** # Temp error on MAIL server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 451 Temp error RCPT TO 503 No sender given RCPT TO 503 No sender given DATA 503 No envelope QUIT 250 OK **** exim -odi a b . **** # Perm error on MAIL server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 550 Perm error RCPT TO 503 No sender given RCPT TO 503 No sender given DATA 503 No envelope QUIT 250 OK **** exim -odi a b . **** # All get temp errors server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 451 Temp error 1 RCPT TO 451 Temp error 2 DATA 503 No recipients QUIT 250 OK **** exim -odi a b . **** # All get perm errors server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 551 Perm error 1 RCPT TO 551 Perm error 2 DATA 503 No recipients QUIT 250 OK **** exim -odi a b . **** # Mixed temp and perm server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 451 Temp error 1 RCPT TO 551 Perm error 2 DATA 503 No recipients QUIT 250 OK **** exim -odi a b . **** # Perm error on DATA after good recipients server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 250 OK DATA 503 Sorry perm data error QUIT 250 OK **** exim -odi a b . **** # Temp error on DATA after good recipients server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 250 OK DATA 403 Sorry temp data error QUIT 250 OK **** exim -odi a b . **** # Temp error on DATA after good recipients, but in first block of a # multi-block interaction server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO RCPT TO 550 NO DATA 403 Sorry temp data error QUIT 250 OK **** exim -v -odi yes n00 n01 n02 n03 n04 n05 n06 n07 n08 n09 n10 n11 n12 n13 n14 n15 n16 n17 n18 n19 n20 n21 n22 n23 n24 n25 n26 n27 n28 n29 n30 n31 n32 n33 n34 n35 n36 n37 n38 n39 n40 n41 n42 n43 n44 n45 n46 n47 n48 n49 n50 n51 n52 n53 n54 n55 n56 n57 n58 n59 n60 n61 n62 n63 n64 n65 n66 n67 n68 n69 n70 n71 n72 n73 n74 n75 n76 n77 n78 n79 n80 n81 n82 n83 n84 n85 n86 n87 n88 n89 n90 n91 n92 n93 n94 n95 n96 n97 n98 n99 n100 n101 n102 n103 n104 n105 n106 n107 n108 n109 n110 n111 n112 n113 n114 n115 n116 n117 n118 n119 n120 n121 n122 n123 n124 n125 n126 n127 n128 n129 n130 n131 n132 n133 n134 n135 n136 n137 n138 n139 n140 n141 n142 n143 n144 n145 n146 n147 n148 n149 n150 n151 n152 n153 n154 n155 n156 n157 n158 n159 n160 n161 n162 n163 n164 n165 n166 n167 n168 n169 n170 n171 n172 n173 n174 n175 n176 n177 n178 n179 n180 n181 n182 n183 n184 n185 n186 n187 n188 n189 n190 n191 n192 n193 n194 n195 n196 n197 n198 n199 . **** # Server drops connection after some responses server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 550 NO **** exim -odi a b c d e . **** # Discard retry data sudo rm DIR/spool/db/* # # Test hosts_avoid_pipelining server PORT_S 220 Server ready EHLO 250-OK 250 PIPELINING MAIL FROM 250 OK RCPT TO 250 OK RCPT TO 250 OK RCPT TO 250 OK RCPT TO 250 OK DATA 351 Send more . 250 OK **** exim -v -odi -DHAP=hosts_avoid_pipelining=127.0.0.1 w x y z **** no_msglog_check