Is a web server required to run a mail server?
sangstar asked: I’m trying to create a mail server, but I’m not able to connect to my DO droplet’s domain, which I need to do to get a Let’s Encrypt …
Sendmail – retry instead of permanent failure on DNS errors
Hungrig asked: The last few days, our hosting provider has had occasional connectivity issues with one of their upstreams. Each time this happens, we end up with a heap of …
FQDN for a postfix/dovecot virtual machine inside host with a single public IP
Erion asked: I want to install iRedMail (== postfix + dovecot) in a virtual machine inside an internet-facing host with a single IP. The host is named host.mydomain.com with IP …
ssmtp error on trying to send emails
Oscar Vazquez asked: I’m trying to send emails from command line because I need to create a shell script later to send an email. this is my configuration: # # …
Postfix receives email but doesn't send [new to server management]
MartynMc asked: As the title suggest, I’m struggling to get the mail server to send emails. I recently purchased a VPS for hosting and I’m currently trying to set up …
domain name system – rDNS is not exist
Robert Jones asked: I need some help with Reverse DNS as I have got a problem with it. I have setup rDNS on my hosting provider which I use rdns1.example.com …
Why use DMARC when SPF -all can do the job?
Gordo2019 asked: With DMARC I can set the policy to rejct mail. But isn’t it the same I can do with -all from within a SPF? Same goes for quarantine …
POSTFIX Won't Start says: bind 0.0.0.0 port 25: Address already in use
Bruno de Goyrans asked: Sorry, I’ve read tons of related topics but didn’t get solutions for my issue. Suddenly this morning, POSTFIX did not respond. I didn’t do anything special …
Sender Score Low
Rocco The Taco asked: We host our own email server and have discovered we have a low sending score that is causing delivery issues. From the report (senderscore.org), there is …
How to add Amazon's X-SES-CONFIGURATION-SET:ConfigSet to a my postfix mail server?
needtoknow asked: Amazon shows an example on how to add their X-SES-CONFIGURATION-SET:ConfigSet to a single email. How do I add this to my postfix configuration so it uses it for …