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47 posts

Geek


Topic # 93524 23-Nov-2011 10:08
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Hello,

I have a database of around 30,000 people I send email to on a regular basis (monthly) they are all customers and have opted-in to receive email updates.

I've done all the usual best practice stuff - made sure reverse DNS is working, SPF records for the sending domain are all in order, included contact details and an unsubscribe link in the body of the email, kept the html/image payload low and included a text only version of the email. But I have a small problem sending *@xtra.co.nz email addresses.

The first few hundred emails get to Xtra recipients fine, then I start getting:

"Nov 21 09:58:32 hostname sm-mta[31774]: pAMKwVJP031772: to=<user@xtra.co.nz>, delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=129524, relay=mx2.tnz.mail.yahoo.com. [124.108.96.211], dsn=4.0.0, stat=Deferred: 421 4.7.0 [TS01] Messages from <my ip address> temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html"

Retrying the send to the affected email addresses four or more hours later does seem to work about 50% of the time. I've filled out the contact forms a few times, but get nothing other than the standard canned responses.

No issues sending email to any other ISP's or email providers.

Anyone have any tips?

Cheers.

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Master Geek
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PrimoWireless Ltd
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  Reply # 548786 23-Nov-2011 10:20
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this seems to be happening alot, one of our hosting customers has had the same issue.

Telecom/Xtra have advised him to fill in this form:

http://help.yahoo.com/l/qe/snova/mail/postmaster/bulkv2.html?from_url=http://telecom.custhelp.com/app/answers/detail/a_id/1124/session/L2F2LzEvdGltZS8xMzIxOTMwMTQxL3NpZC8qOWhFZUpKaw%3D%3D




PrimoWireless - Connecting Taranaki
www.primowireless.co.nz


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  Reply # 548792 23-Nov-2011 10:25
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If your email program allows it you'd probably be better to drip feed into @xtra.co.nz addresses e.g. have a rule to send only 1 per 10 seconds or something like that?







47 posts

Geek


  Reply # 548805 23-Nov-2011 10:49
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Thanks for the help.

FishyMan - I did try that form, no response though!

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Master Geek
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  Reply # 548809 23-Nov-2011 10:50
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why doesnt that suprise me :(




PrimoWireless - Connecting Taranaki
www.primowireless.co.nz


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  Reply # 549164 24-Nov-2011 01:38
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best option is to push the emails through a bulk email provider that has an arrangement with yahoo/xtra




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Ultimate Geek
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  Reply # 549378 24-Nov-2011 12:57
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Feedback loops are good

http://website.email-ethics.com/feedback-loops

We operate a website that sends out millions of emails a month. We have FBLs with major ISPS. When a user complains about one of our emails, we have a process that monitors the FBLs and removes them from our mailing lists. This helps keep complaint rates down and improves deliveribility.

We also use http://www.returnpath.net/ to help out emails get through.


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