Difficulty
Pro Tip
The inboxes of your contacts need to authenticate the source of your messages (usually through SPF and DKIM). As authentication is impossible with free webmails, do not send emails from a Gmail, Hotmail or Yahoo! address, or your messages may be rejected.
Relevant resources
When it comes to deliverability, email senders need to know that spam filters pay particular attention to the sender’s address. The sender address is the From address used to send emails to recipients. Internet Service Providers (ISPs) use those filters to make sure only the emails that recipients ask for get to their inboxes.
In terms of sender address, it’s also useful to know that recognizing the sender is the most important factor in determining whether or not a recipient opens an email. This is another reason to carefully define which sender address you will use.
Here are a few things to keep in mind when choosing from which email address you should send your emails:
Result
Making sure your sender email address complies with the deliverability best practices will give your emails a better chance of being delivered to the recipient’s inbox.
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