Here are some SMTP settings you can use, depending on your dial up:

Outgoing SMTP Servers:

For Telkom ADSL, outgoing server is smtp.dsl.telkomsa.net
For Telkom Analogue Dial Up, use smtp.saix.net or smtp.dsl.telkomsa. net
For MWEB ADSL, outgoing server is smtp.mweb.co.za or smtp.mweb.net

For Vodacom 3G, outgoing server is smtp.vodacom.co.za port 25 no username or password
For MTN 3G, the outgoing server is mail.mtn.co.za port 25 no username or password
For Cell C the outgoing server is mail.cmobile.co.za port 25 no username or password

For Iburst, outgoing server is smtp.iburst.co.za
For I.S. the outgoing server is smtp.isdsl.net
For goggaconnect outgoing server is smtp.vodacom.co.za

For Neotel, outgoing server is smtp.neom ail.co.za
For ABSA, outgoing server is smtp.absamail.co.za or mail.absa.co.za
For @lantic (ADSL,Dialup, ISDN) : smtp.lantic.net
For NetActive (ADSL,Dialup, ISDN) : smtp.netactive.co.za
For Polka (ADSL,Dialup, ISDN) : smtp.polka.co.za

Please note that these settings only apply for the RSA