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Email deliverability
Email deliverability
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17 articles in this collection
Written by
Antoine Minoux,
Cyril Nicodeme,
Nate
and 1 other
What are MX Records?
A brief introduction to our favourite kind of DNS records: the MX record.
Written by
Matt
Updated over a week ago
Can I use ImprovMX SMTP to send Bulk Mail / create Mailing Lists?
Details about the possibilities when it comes to using ImprovMX for bulk mailing or mailing lists.
Written by
Matt
Updated over a week ago
Can I Whitelist an Email Address?
Looking to whitelist an email address you frequently receive mail from?
Written by
Matt
Updated over a week ago
How to view email headers
Email headers will tell the full transit story of a particular email. This can often help diagnose possible delivery or alignment issues.
Written by
Nate
Updated over a week ago
Regex Email Forwarding
Using Regex (Regular Expressions) to Supercharge your Email Forwarding
Written by
Matt
Updated over a week ago
About ImprovMX Spam Filtering
Written by
Matt
Updated over a week ago
Using MX Records of Multiple Services
Details of why having MX records for multiple mail providers is not a supported configuration.
Written by
Matt
Updated over a week ago
What are the sending/receiving limits?
How many emails can you receive, forward or send using ImprovMX forwarding and SMTP capabilities.
Written by
Antoine Minoux
Updated over a week ago
Redirecting an alias to multiple email addresses
It is possible to redirect a forwarding alias to more than one email address. Just separate them with a comma, and you're all set!
Written by
Antoine Minoux
Updated over a week ago
Why are my emails landing in spam?
This article will address some common problems with outgoing mail landing in spam.
Written by
Nate
Updated over a week ago
Gmail SMTP FAQ
Frequently asked questions and issues regarding Gmail SMTP and the "send mail as..." feature with your custom domain.
Written by
Nate
Updated over a week ago
Error codes returned by ImprovMX’s SMTP servers
Written by
Cyril Nicodeme
Updated over a week ago
Why doesn't ImprovMX use MXS domains anymore?
We've recently moved away from requiring premium users using different MX records for simplicity and ease of use.
Written by
Cyril Nicodeme
Updated over a week ago
What are the allowed attachments?
Written by
Antoine Minoux
Updated over a week ago
Why does ImprovMX need SPF?
The Sender Policy Framework is commonly used for service that sends emails. With email forwarding, we need you to add us to your SPF.
Written by
Cyril Nicodeme
Updated over a week ago
Some emails are refused because of Spamhaus, why?
We're using Spamhaus to detect spam emails and protect our email deliverability. Learn how to troubleshoot issues you might having.
Written by
Antoine Minoux
Updated over a week ago
What does “Invalid DKIM signature” mean?
You may have received feedback from someone trying to send you an email which was refused with a message related to DKIM signature.
Written by
Antoine Minoux
Updated over a week ago