Increased the version. Re-checked settings. Disabled. Undeployed. Redeployed.
Still not getting it to work. Here is a packet dump of the proceedings. All is ok until I get to the RCPT TO: bit and it fails.
0.000000 202.157.179.149 -> 69.28.206.212 TCP 49524 > smtp [FIN, ACK] Seq=0 Ack=0 Win=5840 Len=0
11.074003 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [SYN] Seq=0 Len=0 MSS=1460
11.254581 69.28.206.212 -> 202.157.179.149 TCP smtp > 53245 [SYN, ACK] Seq=0 Ack=1 Win=16352 Len=0 MSS=1460
11.254620 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [ACK] Seq=1 Ack=1 Win=5840 Len=0
16.138999 69.28.206.212 -> 202.157.179.149 SMTP Response: 220 SMTP service ready
16.139305 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [ACK] Seq=1 Ack=25 Win=5840 Len=0
16.141662 202.157.179.149 -> 69.28.206.212 SMTP Command: EHLO web2
16.331633 69.28.206.212 -> 202.157.179.149 SMTP Response: 250-Requested mail action okay, completed
16.332260 202.157.179.149 -> 69.28.206.212 SMTP Command: AUTH LOGIN
16.512656 69.28.206.212 -> 202.157.179.149 SMTP Response: 334 VXNlcm5hbWU6
16.513605 202.157.179.149 -> 69.28.206.212 SMTP Message Body
16.693929 69.28.206.212 -> 202.157.179.149 SMTP Response: 334 UGFzc3dvcmQ6
16.694229 202.157.179.149 -> 69.28.206.212 SMTP Message Body
16.890553 69.28.206.212 -> 202.157.179.149 TCP smtp > 53245 [ACK] Seq=180 Ack=64 Win=16289 Len=0
16.902296 69.28.206.212 -> 202.157.179.149 SMTP Response: 235 Authentication successful
16.939582 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [ACK] Seq=64 Ack=211 Win=5840 Len=0
16.959489 202.157.179.149 -> 69.28.206.212 SMTP Command: MAIL FROM:<accounts@domain.com.au>
17.140045 69.28.206.212 -> 202.157.179.149 SMTP Response: 250 Requested mail action okay, completed
17.140352 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [ACK] Seq=108 Ack=254 Win=5840 Len=0
17.140568 202.157.179.149 -> 69.28.206.212 SMTP Command: RCPT TO:<+61438XXXXXX@sms.ipipi.com>
17.320933 69.28.206.212 -> 202.157.179.149 SMTP Response: 503 Bad sequence of commands
17.321898 202.157.179.149 -> 69.28.206.212 SMTP Command: RSET
17.502833 69.28.206.212 -> 202.157.179.149 SMTP Response: 250 Requested mail action okay, completed
17.539389 202.157.179.149 -> 69.28.206.212 TCP 53245 > smtp [ACK] Seq=152 Ack=327 Win=5840 Len=0