Control Your Email Deliverability With Dedicated IP


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Reputation control using Dedicated IP Addresses

  • LeadSparrow provide customers the ability to navigate their own reputation using Dedicated IP Addresses.
  • Dedicated IP addresses helps customer in controlling their own reputation. In shared IP pool, your email deliverability is dependent on emailing habbits of other marketers of the IP pool.
  • Dedicated IP addresses protects you from other marketers bad emailing habbits and your reputation is only dependent on your emailing.
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A/B Test Email Results

IP Warmup

  • To put full load of your emailing on new IP addresses, you need to first warm them up. New IP Addresses are always be on ISPs watchlist and are rate limited till they achieve some good reputation.
  • To bear through this period email volume is kept as low as one mail per hour. The email volume is gradually increase so as not to raise any flags within ISPs.
  • As with overtime IP Address gains some good repute, ISPs become lenient with acceptable email volume.

Email Throttling

  • Sending emails in bulk without acknowledging the ISPs feedback can become a bottle neck in your email's deliverability.
  • LeadSparrow's sophisticated mailing engine listen to ISP's feedback against each mail sent & adjust the mail send rate accordinly.
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Feedback Loops

  • To put full load of your emailing on new IP addresses, you need to first warm them up. New IP Addresses are always be on ISPs watchlist and are rate limited till they achieve some good reputation.
  • To bear through this period email volume is kept as low as one mail per hour. The email volume is gradually increase so as not to raise any flags within ISPs.
  • As with overtime IP Address gains some good repute, ISPs become lineint with acceptable email volume.



Complete list of feedback loops are below:


  • AOL
  • AT&T
  • Comcast
  • Cox
  • Earthlink
  • Excite
  • Fastmail
  • Gmail
  • Hotmail/MSN/Live/Outlook
  • Mail.ru
  • OpenSRS/Tucows
  • Outblaze
  • Rackspace
  • RoadRunner/Time Warner Cable
  • Synacor
  • Telenor
  • Terra
  • USA.NET
  • Online/Juno/Netzero
  • XS4ALL
  • Yahoo
  • Zoho
email deliverability

Email Deliverability

  • No, there's no silver bullet to achieving 100% email deliverability. But by following the best email practices, listening & responding to feedback loops, honouring email optouts and always sending emails to opt-in contacts does helps in achieving this goal.
  • Using Dedicated IP Addresses with rDNS & PTR records set, with proper warump period and registeration with all major feedback loops increases your chances of hitting the inbox. Ofcourse, LeadSparrow take care of these things seemlessly on customers behalf.
  • We use email security protocols like SPF, DKIM & TLS/SSL based mail delivery for near perfect email deliverability.