The 'smtp-sending-ips' warning list is missing Aruba IP addresses. Below are some IP addresses belonging to the ASN 'AS31034 aruba spa':
- 62.149.156.58
 
- 62.149.156.103
 
- 62.149.158.219
 
- 62.149.156.73
 
- 62.149.156.88
 
- 62.149.158.118
 
- 62.149.156.44
 
- 62.149.158.220
 
- 62.149.158.103
 
- 62.149.158.219
 
- 62.149.158.148
 
- 62.149.156.163
 
- 62.149.156.73
 
- 62.149.155.150
 
- 62.149.156.43
 
- 62.149.155.150
 
- 62.149.158.219
 
- 62.149.158.133
 
- 62.149.158.104
 
- 62.149.155.103
 
- 62.149.156.43
 
- 62.149.158.118
 
It would be useful to add the IP ranges belonging to Aruba to the 'smtp-sending-ips' warning list.