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Deliverability to aol.com

Sending volume, opens, bounce responses, and block messages observed by GMass for email sent to aol.com.

AOL.com, now a Verizon Media brand, was launched in 1985 as America On-Line. AOL spearheaded dial-up internet connections and is credited with having distributed half of the world’s compact discs in the 1990s. AOL is also responsible for the all-too-familiar phrase, “You’ve Got Mail”. 
Emails sent 129,341,038 Messages represented in this domain dataset
Unique opens 11,488,020 Unique open events associated with those sends
Open rate 8.9% Across all available data for aol.com

Sent vs. opens

Change the date range or chart style. Bounce and block sections below follow the same selected date range.

Date Sent Opens Open rate

Blocks from aol.com

SMTP responses that generally indicate a valid address whose message was rejected.

No blocks during the specified time frame.

Bounces from aol.com

SMTP responses that generally indicate an invalid or undeliverable email address.

Bounce code guide
18,646 bounce events · 24 response types
  • 552 1 Requested mail action aborted, mailbox not found 10,124
  • 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 8,369
  • 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. For more information, go to 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser 63
  • 550 5.7.25 Forward-confirmed reverse DNS failed tnmpmscs 36
  • aggressive-handler 13
  • 551 SenderAuthorization: is not authorized to send emails to this service. 7
  • SMTP; 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 6
  • SMTP; 552 1 Requested mail action aborted, mailbox not found 4
  • 550 5.5.0 Requested action not taken: mailbox unavailable . 4
  • This email has been blocked due to PMF Policies. 3
  • 554 Message permanently deferred due to unresolvable RFC.5321 from domain. See https://senders.yahooinc.com/error-codes#unresolvable-from-domain 2
  • 550 is not a valid user 2
  • NoMxRecord:0-0 2
  • 550 Account Inactive 1
  • 550 permanent failure for one or more recipients .) 1
  • 552 40 Requested mail action aborted 1
  • 550 5.1.1 User Unknown 1
  • 550 5.1.1 Not our Customer 1
  • 550 5.1.1 Recipient does not exist here. 1
  • 550 5.4.300 Message expired -> 451 This mail has been deferred because the sender is sending too much mail for its authentication status. Please set up DKIM aligned to the From: domain. See https://senders.yahooinc.com/smtp-error-codes#authentication-failures 1
  • 550 5.1.1 recipient rejected 1
  • 550 5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors 1
  • 454 4.7.1 : Relay access denied 1
  • The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. For more information, go to https://support.google.com/mail/?p=NoSuchUser 1

Methodology

Send and open statistics

Send and open statistics are updated daily. Every day, open statistics are refreshed for the previous 14 days because not every open happens on the same day an email is sent. Open-rate data remains tied to the emails actually sent on each particular day.

Bounces and blocks

Bounces and blocks update in real time. SMTP responses are de-personalized so similar responses can be grouped for analysis. GMass categorizes responses through internal human review: bounces generally indicate an invalid address, while blocks generally indicate a valid address whose message was rejected.

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