Outlook or ThunderBird Not Connected SMTP 587 STARTTSL "No SECURE"

[ferdikucuk]

Hi,
I am installed and migration cPanel to Directadmin wonderfull and working.

But Email not connected to 587 SMTP STARTTSL.

Screen Shot : http://prntscr.com/ohe5nh

Please help me.

 

[Richard G]

Screenshot shows IMAP.
Try using the imap outgoing port 993.

As for 587, it might have something to do with a mail_sni setting, but I'm not sure.

You might check this post from zEitEr with links in them:
https://forum.directadmin.com/showthread.php?t=53049&p=272357#post272357

 

[ferdikucuk]

I did it, but it didn't help.

 

[smtalk]

Please make sure port is open in firewall and /etc/exim.cert (key) are valid.

 

[ferdikucuk]

Please make sure port is open in firewall and /etc/exim.cert (key) are valid.

Hi,
Firewall is closed.
Exim.cert is new created.

But not secure starttls SMPT :/

 

[smtalk]

Please try the following, just use SMTP port, instead of IMAP: https://forum.directadmin.com/showthread.php?t=58256&p=297932#post297932

 

[ferdikucuk]

https://www.checktls.com/TestReceiver results;
Certificate 1 of 1 in chain: Cert VALIDATION ERROR(S): self signed certificate
So email is encrypted but the recipient domain is not verified
Cert Hostname DOES NOT VERIFY (xxx.com != mail.hostname.com)
So email is encrypted but the host is not verified

 

[ferdikucuk]

Please try the following, just use SMTP port, instead of IMAP: https://forum.directadmin.com/showthread.php?t=58256&p=297932#post297932

Not problem.
http://prntscr.com/ohiap7

So;
SMTP protocol synchronization error (next input sent too soon: pipelining was not advertised): rejected "EHLO we-guess.mozilla.org" H=[IP_ADDRESS] next input="QUIT\r\n"

 

[smtalk]

Your certificate does not include mail.domain.com, so, just use domain.com as the server in your mail settings, or generate a cert for mail.domain.com as well.