SMTP

Internet Service Provider SMTP Relay Servers

Irish ISPs:

• Eircom: mail1.eircom.net or mail2.eircom.net
• BT: mail.iol.ie
• Imagine: mail.imagine.ie or mail.gaelic.ie
• Digiweb: smtp.digiweb.ie
• Strencom: relay.strencom.net
• Smart Telecom: mx.mysmart.ie
• O2: smtp.o2.ie
• Vodafone: mail.vodafone.ie
• 3 Ireland: mail-relay.3ireland.ie
• Irish Broadband: smtp.irishbroadband.ie
• Magnet: smtp.magnet.ie
• UPC: smtp.upcmail.ie
• Ice Broadband: mail.icecomms.net
• Clearwire: smtp.clearwire.ie or mail.clearwire.ie
• Perlico: mail.perlico.ie
• Westnet: smtp.westnet.ie

You can find more SMTP servers for ISPs outside of Ireland here: "http://2008.gr0w.com/articles/help/email_help_smtp_server_list".