Tips to enhance your deliverability in Yahoo Mail Boxes!

The mission of all ISPs including Yahoo Mail is to deliver messages that users want to receive, and filter out messages they don’t want. The simplest way to ensure that your marketing messages are delivered is to avoid looking like a spammer!

Send email only to those that want it

  • Use and honor an opt-in method of subscription for your mailing list, where subscribers actively verify their intent to receive your mailings.
  • Honor the frequency of the list’s intent.
  • Honor unsubscribe requests quickly.

Be CAN-SPAM compliantYahoo mail

Regardless of where in the world you’re sending your mail, make sure that you adhere to the requirements stipulated by the CAN-SPAM Act.

Use email authentication such as DKIM

  • Sign all your email to help Yahoo identify forgeries and distinguish yourself spammers.
  • See DKIM.org for information about DomainKeys Identified Mail (DKIM)

Consistently manage your lists

  • Monitor hard and soft bounces as well as inactive recipients. Persistent emails to these addresses are a surefire way to get your connections deferred.

To avoid message blockages

  • Look closely at any SMTP Reply Codes yahoo mail servers are returning and ensure you’re addressing the problem:
  • Don’t retry 5xx messages which are permanent errors (example – HTTP Error 504 – Gateway Timeout)
  • Retry 4xx messages which are temporary errors (example – 404 page not found )

Refresh your list periodically.

  • Consider removing or sending a reconfirmation email to inactive subscribers.
  • Sending mail to users who are not reading them, or who mark them as “spam,” will hurt your delivery metrics and reputation.

Enroll in Yahoo feedback loop.

If you are signing your emails with DKIM or Domain Keys, Yahoo’s Complaint Feedback Loop program can help you track and manage your spam complaint rates. iCubes is maintaining these records for all our clients…hence no headache for you 🙂

Segregate your mail streams by IP address and/or domain.

  • Segmenting your mail stream that delivers marketing mails from another that sends transactional messages makes it easier for Yahoo Mail to assign each mail stream a reputation.

Check your email content.

  • Test your emails’ visual look with image placeholders. Many users won’t see images in your email by default.
  • Link to domains, not IP addresses.
  • Use standard ports.
  • Don’t include HTML forms, JavaScript, & embedded objects (like flash or ActiveX).
  • Use Inline style sheets only
  • Using a static From: address helps users who have set up filters to route messages to a specific folder.
  • Using your domain consistently helps Yahoo and your recipients to distinguish your email from spam.

Publish reverse DNS (PTR) records for your sending IPs.

Yahoo is more likely to downgrade an IP’s sending reputation if:

  • There is no reverse DNS entry for your IP address.
  • Your mailing IP looks like a dynamically-assigned IP instead of a static mail server.

Use common-sense settings

Yahoo states, “While we have not published guidelines for the numbers of connections you can concurrently use, we ask that you treat our resources with respect.The more you take, the fewer there are for others, which may force us to defer your connections*.”

*Courtesy: Yahoo Post Master

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