Hi,
Two good ideas to test there. Thanks Charles and Paul. /MB ________________________________ Mark Baxter OnDemand Administrator, Visma Proceedo AB Switchboard : +46 8 522 930 30 - Direct : +46 8 522 930 60 - Mobile : +46 73 978 92 60 - Fax : +46 8 58 88 48 29 ________________________________ ________________________________ From: Paul Cockings [mailto:p...@cytringan.co.uk] Sent: den 28 september 2009 17:42 Cc: Mark Baxter; postfix-users@postfix.org Subject: Re: Failover from one remote SMTP server to another 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
