Home
Module Guides
Variables
Directives

Directive Reference

smtp_greeting_delay

— NGINX Mail Core

smtp_greeting_delay

mailmail server

Contextmail, mail server

Arguments1

ModuleNGINX Mail Core

← Back to all directives

The definitive educational reference for NGINX — module guides, variable reference, and real-world patterns.

Learn

Getting Started
Variables
Modules
Directives

Modules

Array-typed variables for NGINX
HTTP Concatenation module for NGINX
NGINX form input module
IP address anonymizer module for NGINX

Resources

GetPageSpeed RPM
NGINX Official
GitHub

© 2026 nginx101.comJSON-LD · FAQPage · TechArticle