Re: Failover from one remote SMTP server to another

[Paul Cockings]

Charles Marcus wrote:
On 9/28/2009, Mark Baxter (mark.bax...@visma.com) wrote:
  
smtp_fallback_relay = smtp.3g.com
    

I'm not sure if it would cause your problem, but I have square brackets
around mine, so try:

smtp_fallback_relay = [smtp.3g.com]

  
Does the machine know how to resolve smtp.3g.com when on the 3G link?  
You could try setting it to an IP to test its not DNS related