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Deliverability

What kind of delivery rates can I expect?

Most organizations calculate email delivery rate by subtracting *all* delivery failures from the total emails sent. Delivery rates typically range from 80% to 98% when following best practices. For instance,...

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What exactly is spam/abuse?

ATTN: If you're visiting this article as a result of an alert in your account, your SPAM/ABUSE complaints exceed 0.1% and you are in violation of the BombBomb.com Anti-Spam Policy. As a result, you may be tempo...

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Modifying SPF records for BombBomb emails and DKIM questions

Definitions, as per Wikipedia: Sender Policy Framework (SPF) is an email validation system designed to prevent email spam by detecting email spoofing, a common vulnerability, by verifying sender IP addresses. ...

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What IP addresses does BombBomb use for sending my email?

Note: Sending IPs do change on occasion, so you may wish to "subscribe" to this article on the top right so you will be made aware of published changes. BombBomb sends email from the following domain: ...

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What do the hard/last bounce codes mean?

Email is delivered and acknowledged by Mail Transfer Agent (MTA) software located at both the sender (BombBomb) and receiver (ISPs). Sometimes, the receiver refuses delivery of the email resulting in a bounce. ...

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DMARC sending policies

The world of email has always had its share of fraudulent messages and spammers, but recently many email providers have been taking a much stronger stance against this type of email abuse. A major blow to spam ...

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What does "quarantine" mean?

An email is quarantined when BombBomb detects a duplicate send of the same email to the same list or contacts. We quarantine the email and contact the sender to make sure they meant to send the email. This is d...

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Basics of CASL: Canada’s Anti-Spam Legislation

As of July 1, 2017, you must have obtained express consent to send to your contacts. Implied consent will no longer be valid. No one wants to receive spam. You should not want to send it. To fight spam, the ...

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What is "permission-based" email?

A permission-based email is an e-mail sent to a person, who have given the sender permission to send emails to their e-mail address. Often times people give permission by opting in to receive emails by entering...

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What are opt-ins and opt-outs, and how are they supported?

The CAN-SPAM Act requires that users be allowed to opt out of an email marketing list. Keeping "clean" permission-based lists by making opt-outs easy is also a very good practice to follow. Users can subscri...

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