New posts in Smtp

POSTFIX main.cf permission denied

Many ISP's is block port 25, how do I choose an alternative port?

Is greylisting still an efficient method for preventing spam?

Why is Postfix trying to connect to other machines SMTP port 25?

How can email be resent that has been delivered to the Badmail folder in IIS?

What are SMTP relays and smarthosts?

Postfix rejecting mail from authenticated clients

Do SPF Records For Primary Domain apply to subdomains?

How to add DKIM feature to the IIS 7.5 - Windows Server 2008 - DomainKeys Identified Mail

Why doesn't Postfix announce AUTH during EHLO?