Undelivered Mail Returned to Sender

Undelivered Mail Returned to Sender

I am receiving an "Undelivered Mail Returned to Sender" when emailing an estimate to a client. I am able to copy and paste the email body & estimate PDF into my own email client and send that way. It appears to only be an issue when emailing from inside Zoho Invoice.

Here is a copy of the returned message. I've obscured the client's email and domain to avoid spammers:

  1. This is a MIME-encapsulated message


    --q2R3tFjv013175.1332820515/resolver2.sv4.zoho.com


    The original message was received at Mon, 26 Mar 2012 20:55:13 -0700

    from [172.31.251.172]


      ----- The following addresses had permanent fatal errors -----

    <XXXX@XXXXX.com>

       (reason: 550-sv4-smtp2.zoho.com (resolver2.sv4.zoho.com) [72.5.230.67]:37560 is)


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

    ... while talking to XXXXX.com.:

    DATA

    <<< 550-sv4-smtp2.zoho.com (resolver2.sv4.zoho.com) [72.5.230.67]:37560 is

    <<< 550-currently not permitted to relay through this server. Perhaps you have not

    <<< 550-logged into the pop/imap server in the last 30 minutes or do not have SMTP

    <<< 550 Authentication turned on in your email client.

    550 5.1.1 <xxxx@xxxxx.com>... User unknown

    <<< 503-All RCPT commands were rejected with this error:

    <<< 503-sv4-smtp2.zoho.com (resolver2.sv4.zoho.com) [72.5.230.67]:37560 is

    <<< 503-currently not permitted to relay through this server. Perhaps you have not

    <<< 503-logged into the pop/imap server in the last 30 minutes or do not have SMTP

    <<< 503-Authentication turned on in your email client.

    <<< 503 Valid RCPT command must precede DATA


    --q2R3tFjv013175.1332820515/resolver2.sv4.zoho.com

    Content-Type: message/delivery-status


    Reporting-MTA: dns; resolver2.sv4.zoho.com

    Received-From-MTA: DNS; [172.31.251.172]

    Arrival-Date: Mon, 26 Mar 2012 20:55:13 -0700


    Final-Recipient: RFC822; xxxx@xxxxx.com

    Action: failed

    Status: 5.1.1

    Remote-MTA: DNS; xxxxxx.com

    Diagnostic-Code: SMTP; 550-sv4-smtp2.zoho.com (resolver2.sv4.zoho.com) [72.5.230.67]:37560 is

    Last-Attempt-Date: Mon, 26 Mar 2012 20:55:15 -0700


    --q2R3tFjv013175.1332820515/resolver2.sv4.zoho.com

    Content-Type: message/rfc822


    Return-Path: <zohoinvoicemailbounces+zcf=amanda=functionmarketing.com@zoho.com>

    Received: from [172.31.251.172] ([172.31.251.172])

    by resolver2.sv4.zoho.com (8.13.8/8.13.1) with ESMTP id q2R3tDjv013172;

    Mon, 26 Mar 2012 20:55:13 -0700

    Message-ID: <698429659.1332820513176.JavaMail.sas@invoice.zoho.com>

    Date: Mon, 26 Mar 2012 20:55:13 -0700 (PDT)

    From: Amanda Berlin <amanda@xxxxxx.com>

    To: christy@xxxxx.com

    Subject: Estimate from Function Marketing (Estimate #: EST-256)

    Cc: amanda@xxxxx.com

    Mime-Version: 1.0

    Content-Type: multipart/mixed; 

    boundary="----=_Part_5829_347684101.1332820513166"

    X-Mailer: Zoho Invoice Mailer


    ------=_Part_5829_347684101.1332820513166

    Content-Type: text/html; charset="UTF-8"

    Content-Transfer-Encoding: quoted-printable



      • Sticky Posts

      • Zoho Invoice Will Soon Discontinue Support for Older Browser Versions

        Hello users, Starting from May 15, 2024, Zoho Invoice will no longer support the following browser versions: Browsers Version Restrictions Firefox Browser Versions older than 100 Google Chrome Versions older than 100 Microsoft Edge Versions older than

      • Bulk Printing now available in Zoho Invoice

        Hello, We are happy to announce the much requested and much awaited feature in Zoho Invoice - Bulk Printing of Estimates and Invoices. All you need to do is, select the invoices you wish to print and then click the 'Print' button. All the invoices will be downloaded as a single PDF file which can be printed as you wish. You can print upto 25 invoices at a single go. Go ahead and give it a shot and let us know how it worked for you. Regards, Reshma   

      • Introducing the iPhone App for Zoho Invoice

        Now you can invoice on the go from your iPhone through the Zoho Invoice iPhone app. Our iPhone app is available at the apps store for download. The app is special in more ways than one: An impeccable UI takes your invoicing experience to a whole new level That's a first native app we've come up with It's available for FREE!!!!! Yeah, absolutely Free. No brainer there, we just wanted to make our users to enjoy the app no strings attachedHere some snapshots of the app: For the real experience, head