Dovecot + Postfix can send but email will not show up in inbox
T. Zack Crawford asked: I am trying to set up an email server on my personal website server. I am mostly there, I can send email but sending emails to …
Gitlab – Postfix can't send mail to external domain
dvj asked: On an Ubuntu 18.04 Server (VM), I have a gitlab omnibus installation (12.10.6) configured with an LDAP login. Besides LDAP, I didn’t change the configuration defaults. At the …
No route to host and Connection timed out
adamanyn asked: I try to install Postfix to use it with PHP. I did the installation with this tutorial: how-to-get-php-mail-working-on-ubuntu-16-04 I sent an email but nothing happens. When I look …
Someone is sending email from my address. How can I prevent this from happening
Toolkit asked: I received a bunch of Mail delivery failed: returning message to sender messages and found out that someone is sending this email to random addresses: Today we are …
Struggling to configure sendmail right with email on same domain
CL40 asked: I have a situation that probably unusual. I run a handful of services I find useful at my domain example.com. example.com is pointed to my VPS server via …
rfc3207 smtp starttls restriction confusion
Rick asked: From https://tools.ietf.org/html/rfc3207: A publicly-referenced SMTP server MUST NOT require use of the STARTTLS extension in order to deliver mail locally. This rule (1.) prevents the STARTTLS extension from …
sendmail command executes without error but not actually sending mails
Avik Aggarwal asked: I am trying to send emails from my ubuntu server using sendmail command. I ran command echo “Subject: Sendmail test” | sendmail -v <My_Id>, which ran without …
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 …
SPF errors when sending emails
Branislav B. asked: I setup a mail server on mail.mydomain.com. I am able to receive email. Problem occurs when i try to send an email. I have two servers: mail.mydomain.com …
MX record pointing to A record with two different IP's
Bruno Tavares asked: So my problem is simple I just need a solid answer so that I don’t break the email service. I have two servers one for mail and …