[DUG] TIdSMTP and XTRA Secure Remote Email

[John Davys]

I use XTRA's Secure Remote Email service and am trying to use an Indy
TIdSMTP component (BDS2006, Indy 10.1.5) to send an email message via XTRA's
smtp server. This server (smtpr.xtra.co.nz) requires user authentication and
SSL to send through it. 

I can send messages to myself or my colleagues who also have xtra mailboxes,
but if I try to send to a non-XTRA mailbox I get an EIdSMTPReplyError
exception, with code 550 reported i.e. "Requested action not taken: mailbox
unavailable", so I guess XTRA has tightened up its security and is now
assuming I am a spammer and is blocking me since this used to work fine.

Has anyone managed to work out the combinations of properties for a TIdSMTP
& associated TIdSSLIOHandlerSocketOpenSSL component (since the Secure Remote
service requires SSL) and TIdMessage that will work with XTRA?

I've tried pretending to be Outlook 2003 (my normal mail client) by setting
TIdSMTP.MailAgent to "Microsoft Office Outlook 11" etc which didn't work
(this sets the X-Mailer header). Other settings I'm using with TIdSMTP:

AuthType = atDefault
Host = smtpr.xtra.co.nz
Port = 465
UseEhlo = true

Plus my Username and Password of course.

Regards
John 
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John Davys, Senior Consultant, Database Systems
Rezare Systems Limited
Waikato Innovation Park Ph: +64 7 8570824 
PO Box 9466 Fax: +64 7 8570501 
Hamilton Mobile: +64 275570824 
john.davys at rezare.co.nz


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