For some reason some email servers reject email from us.
I don't know why. So if anyone could shed some light on this I'd be very happy.
193.33.61.57 resolves to wechall.net so I don't know what they're complaining about
These are the servers and their responses:
host
mx.freenet.de [195.4.92.211]: 550 inconsistent or no DNS PTR record for 193.33.61.57 (see RFC 1912 2.1)
host
operamail-com.mr.outblaze.com [64.62.181.92]: 450 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mail.tor.hu [195.228.74.5]: 450 4.7.1 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mx.bol.com.br [200.221.29.128]: 450 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mx0.tor.hu [195.228.74.5]: 450 4.7.1 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mail.pozitifff.com [94.103.92.74]: 550 5.7.1 ... Relaying denied. IP name possibly forged [193.33.61.57]
host
mail.mailde.de [88.198.2.106]: 450 4.7.1 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mail.contaktn.com [66.199.237.82]: 450 4.7.1 Client host rejected: cannot find your hostname, [193.33.61.57]
host
mx-1.tele2.ee [212.107.52.23]: 450 4.7.1 Client host rejected: cannot find your hostname, [193.33.61.57]