salve ragazzi...
stò per impazzire...
nel mio sito stò sistemando il servizio delle newsletter e voglio che quando uno nuovo si iscrive gli venga recapitata una email.
come posso fare per far sì che questa email non venga considerata spam???
questo è un problema per me in quanto se provo ad autoinviarmi una email su hotmail l'email mi viene respinta...

il testo dell'email di risposta dice:

This is the mail system at host estia.helloweb.eu.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<xxxxxxxx@hotmail.it>: host mx4.hotmail.com[65.54.244.232] said: 550
SC-001 Mail rejected by Windows Live Hotmail for policy reasons. Reasons
for rejection may be related to content with spam-like characteristics or
IP/domain reputation problems. If you are not an email/network admin please
contact your E-mail/Internet Service Provider for help. Email/network
admins, please visit http://postmaster.live.com for email delivery
information and support (in reply to MAIL FROM command)
Reporting-MTA: dns; estia.helloweb.eu
X-Postfix-Queue-ID: 4D5BDFEB72
Arrival-Date: Thu, 13 Dec 2007 17:04:48 +0100 (CET)

Final-Recipient: rfc822; xxxxxxxx@hotmail.it
Original-Recipient: rfc822;xxxxxxxx@hotmail.it
Action: failed
Status: 5.0.0
Remote-MTA: dns; mx4.hotmail.com
Diagnostic-Code: smtp; 550 SC-001 Mail rejected by Windows Live Hotmail for
policy reasons. Reasons for rejection may be related to content with
spam-like characteristics or IP/domain reputation problems. If you are not
an email/network admin please contact your E-mail/Internet Service Provider
for help. Email/network admins, please visit http://postmaster.live.com for
email delivery information and support

ps: per invio uso la funzione mail()