Temporarily Deferred Email - Non Gmail

Temporarily Deferred Email - Non Gmail

I recently just made an email attempt which had a bounce back. I just want to know whether there will be an automatic confirmation when/if the email is successful in the next 4 days of it's retries? Otherwise I'll use a different email address and service.

This message was created automatically by mail delivery system.

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

The original message was received at Mon, 27 Jun 2016 05:40:37 -0700
from oj@ojillustration.com [ oj@ojillustration.com]

----- The following addresses had fatal errors -----
[Status: Error, Address: < ****@simexpeditions.com>, ResponseCode 421, 4.7.0 Temporarily Deferred]

Message will be retried for 4 more day(s)

----- Transcript of session follows -----

Received:from mail.zoho.com by mx.zohomail.com
    with SMTP id 1467029429142563.4232597262073; Mon, 27 Jun 2016 05:10:29 -0700 (PDT)
Message-ID:<15591c49937.b 67a5769476.6358931558633380371@ojillustration.com>
Date:Mon, 27 Jun 2016 12:10:28 +0000
From:Oliver Jenkins < oj@ojillustration.com>
User-Agent:Zoho Mail
To:< ****@simexpeditions.com>
Subject:Design Proposal for SIM Expeditions
Content-Type:multipart/mixed;
    boundary="----=_Part_1074_660123815.1467029428537"