In this article we will show you what verification method you should use to verify a new sender.
Note: In most use cases it is absolutely sufficient to use the « Email Address » method. Most of our existing customers have had very good experiences with it and have consistently achieved delivery rates of 100%.
Email Address | SMTP Server | Domain | |
---|---|---|---|
Setup difficulty | Easy | Medium | Expert |
Recommended for | Small and medium businesses | Large Enterprises | Large Enterprises |
Delivery rate | 99.9% | 100% * | 100% |
Anti-spam score (by mail-tester.com) | 100% | 100% * | 100% |
Recipient can see that email was sent with PDF Mail Merger? 1 | ✅ | ❌ | ❌ |
« Unsubscribe » footer 2 | ✅ | ❌ | ✅ |
Email report about failed and delivered emails | ✅ | ❌ | ✅ |
HIPAA-compliant | ❌ | ✅* | ❌ |
DMARC-compliant | ❌ | ✅* | ✅ |
1. Recipient can see that email was sent with PDF Mail Merger?
Depending on the recipient’s email client, they may see a reference to pdfmailmerger.com when they receive your email. With Gmail, for example, it looks like this to the recipient:

2. « Unsubscribe » footer
For the Email and Domain verification method, we include an unsubscribe footer in each email because the emails are sent from our email servers:

For the SMTP method, the unsubscribe footer is removed.