SMTP Service
Authentication Parameters
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How to set up a DKIM signature
Last Updated: 07.10.2024
Domain Keys Identified Mail (DKIM) technology is the process of authentication of a sender's domain using a generated digital signature. The method helps recipients’ servers verify that the email was actually sent from the claimed domain, which improves your email deliverability.
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How to set up an SPF record
Last Updated: 07.10.2024
An SPF record defines the list of servers that can send emails on behalf of this domain, and how to process emails that were sent from other servers. By setting up an SPF record, you can reduce the risk of sending spam on behalf of your domain and improve inbox deliverability.
SMTP errors and email delivery errors
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Invalid email address error codes
Last Updated: 03.01.2024
If you send bulk emails, you may face the problem of delivery errors. Knowing the reasons will help you cope with it and increase conversions. After registering with SendPulse, you're welcome to monitor your campaign statistics, including the errors. Keep on reading this article to discover the causes and ways to avoid errors.
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The 550 5.1.1 error
Last Updated: 03.01.2024
There are several possible reasons that you received this error. In this guide, we'll talk about the reasons and help you resolve this nasty error.
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Spam related delivery errors
Last Updated: 03.01.2024
You may receive the following errors: SMTP Error 450 4.7.1
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Error 503
Last Updated: 26.09.2024
Have you ever faced Error 503 – Valid RCPT command must precede DATA while sending emails?
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How to fix SMTP sending errors
Last Updated: 28.12.2023
Sending messages via an SMTP server may be accompanied by errors. These errors may occur due to mail server inaccessibility, sender authentication issues, exceeded limits, mistyped email addresses, and so on.
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The 554 5.7.1 SMTP error
Last Updated: 26.09.2024
When sending an email, you should take into account two mailing servers: yours and the recipients.
Integrations
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How to send emails via SMTP using email clients
Last Updated: 03.01.2024
You can send transactional emails to clients via SendPulse’s SMTP service from your website or using email clients. Then you can check the mailing history and the list of unsubscribers in your SendPulse account.
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How to send emails via SMTP with WordPress plugins
Last Updated: 19.09.2024
You can send transactional emails to clients via SendPulse’s SMTP service from your WordPress site using various plugins. Then you can then view your mailing history and the list of unsubscribers in your SendPulse account.
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How to send emails with PHPMailer
Last Updated: 03.01.2024
You can implement SendPulse's transactional emails with SMTP settings into your project using PHPMailer. PHPMailer is compatible with many PHP libraries and allows you to create a personalized email with an attachment and send it to your subscribers.
General
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How to get started with SMTP
Last Updated: 07.08.2024
With the SendPulse SMTP service, you can send transactional emails from your service, for example, abandoned cart emails, order updates, order confirmation emails, and other notifications.
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How to enable email tracking statistics sent via SMTP
Last Updated: 03.01.2024
By sending campaigns via SMTP, you can track the number of emails sent, delivered, and opened as well as the number of click-throughs and delivery errors.
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How to create an unsubscribe link
Last Updated: 03.01.2024
You can add the unsubscribe function to emails sent via the SMTP service using the {{unsubscribe_url}} variable.
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SMTP limits
Last Updated: 03.01.2024
Certain restrictions are applied while using SMTP with SendPulse. There are limits on the number of sent emails per hour, per day and the number of domains in use.
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SMTP limits after exceeding the bounce rate
Last Updated: 03.01.2024
Sending emails to invalid addresses hurts the reputation of your email service’s servers and your sender domain, which is detrimental to mailing list deliverability.
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How to view SMTP statistics
Last Updated: 03.01.2024
WIth SendPulse, you can view SMTP statistics in order to track your campaigns’ performance, delivery errors, and unsubscribe rate.
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How to enable webhooks for transactional emails
Last Updated: 10.06.2024
A webhook is a mechanism for receiving notifications about certain events. You can set up notifications about email deliverability and subscriber activity.
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How to send transactional emails using a SendPulse Template
Last Updated: 03.01.2024
You can send transactional emails to clients via API from your system using a template with dynamic content created in SendPulse.
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