Critsend Support

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