Critsend Support
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Knowledge base
Getting Started
SMTP Setup
4
Basic SMTP Setup
Configuring Sendmail for CritSend's SMTP Relay
Configuring Postfix for CritSend's SMTP Relay
Configuring Exim for CritSend's SMTP Relay
Other important setups
6
Why should I setup a DKIM and SPF?
How can I setup my DKIM?
How can I setup my SPF?
How can I tag/categorize my emails ?
How can I set a unique identifier by email?
View all 6
Code snippets (SMTP)
1
A list of all our code examples
3d party software configuration
4
PHPList
Interspire
SendBlaster
Expression Engine
FAQ
Problem sending emails
6
SMTPRecipientsRefused error: 554, "Relay access denied"
SMTPAuthenticationError error: 535, "Authentication failed"
My emails seem to be delayed
Timeout: Error 110
My recipient didn't received my email
View all 6
Analytics
4
What are Image Views, All Image Views, and Image Views Rate?
What are Click-Through and Click-Through Rate
What is spam report rate?
Why should I use tags?
Account
4
How can I change my password?
It's been 24 hours and my account has not been approved
My account is not working anymore
Do you offer multi-accounts?
Spam issues
7
I just started sending emails and I'm told they land in spam
I have configured everything correctly but I'm still landing in SPAM
What is an acceptable spam report rate?
What is an acceptable bounce rate?
I've noticed your IP is blacklisted
View all 7
Problems setting up Critsend
1
Checklist in case of problems setting up Critsend
Credits purchase and use
8
Why can't I buy credits?
How long will my credits last?
Are the 1,000 free emails renewed every month
Which currencies can I use ?
Do I have to pay VAT?
View all 8
Logs and list management
3
What is in the logs?
How do you deal with soft and hard bounces ?
Why are some email addresses flagged as blocked ?
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