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220-We do not authorize the use of this system to transport unsolicited, 
220 and/or bulk e-mail.

<br />SMTP -> FROM SERVER: 250-ambient.aslinser2.com Hello 1st-choice-formations.co.uk [204.12.204.170]
250-SIZE 52428800
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP

<br />SMTP -> FROM SERVER:220 TLS go ahead

<br />SMTP -> FROM SERVER: MÜ}•ªHÁ$ä‚Ô~yü¥250 Reset OK

<br />SMTP -> ERROR: RSET failed:  MÜ}•ªHÁ$ä‚Ô~yü¥250 Reset OK

<br />SMTP -> FROM SERVER:503 HELO or EHLO required

<br />SMTP -> ERROR: MAIL not accepted from server: 503 HELO or EHLO required

<br />The following From address failed: info@example.com : MAIL not accepted from server,503,HELO or EHLO required
<p>SMTP server error: HELO or EHLO required
</p>

Message could not be sent.Mailer Error: The following From address failed: info@example.com : MAIL not accepted from server,503,HELO or EHLO required
<p>SMTP server error: HELO or EHLO required
</p>
<p>SMTP server error: HELO or EHLO required
</p>