Common Australian ISPs outgoing mail servers
- Internode - mail.internode.on.net
- iinet - mail.m.iinet.net.au
- Telstra Bigpond - mail.bigpond.net
OptusNet - mail.optusnet.com.au
- TPG - mail.tpg.com.au
- Westnet - mail.webstnet.com.au
- iPrimus - smtp.iprimus.com.au
- AAPT - mail.aapt.net.au
- Vodaphone - smtp.vodafone.com.au