Top "Postfix-mta" questions

QUESTIONS ABOUT POSTFIX ADMINISTRATION ARE OFF-TOPIC.

What is the difference between ports 465 and 587?

These ports 465 and 587 are both used for sending mail (submitting mail) but what is the real difference between them?

email smtp port postfix-mta email-client
Postfix is installed but how do I test it?

I tried everything, I read online to test, and I can't get email to go out: telnet <IP> 25 …

ubuntu postfix-mta
Change outgoing mail address from root@servername - rackspace sendgrid postfix

So I recently setup my Rackspace server (Ubuntu LAMP stack) to use Postfix and Sendgrid for outgoing email. It works …

email smtp postfix-mta sendgrid rackspace
Postfix - status=bounced (unknown user "myuser")

I am configuring Postfix and when validating by telnet and SMTP I got the status bounced error, unknown user: Error …

linux postfix-mta
how to change default email address for postfix?

I have a server running python, php, perl, ruby, and I have couple applications which also send mail. I was …

postfix-mta
Which is best Postfix Log analyzer?

Which is best Postfix Log analyzer? We are looking for good log analyzer for postfix. We need to analyze the …

postfix-mta log-analysis
Is it possible to send mails by bash script via smtp?

I have postfix+dovecot. I want to make bash script which can use SMTP for this. I don't want use …

bash smtp postfix-mta
SendMail Error Message: 553 5.1.8 … Domain of sender address … does not exist

I setup sendmail server with inhmail.walkingtree.in in local when i tried to sen dmail from other email servers …

linux email dns sendmail postfix-mta
How to move spam to spam folder?

i have already install postfix, dovecot, Clamav, Spamassassin and amavisd-new on my centos 5.10. The tutorial is in here : http://catatanlepas.…

postfix-mta mail-server spam-prevention spamassassin
Postfix unable to find /etc/postfix/virtual file

On an Ubuntu Server 12.04 machine, I've set up an email forwarder for a specific address in /etc/postfix/virtual: example@…

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