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Not sure about their end really. It's not always possible to find this out. But If I telnet their IP address, I get the same result .. (Connection refused) Is there a simple test to find out from my end whether their port 25 is open? If not, is there a way round it?

Hello, I am having this strange problem. Emails can be sent to some addresses but not others. OS: CentOS Linux 7.6.1810 (Core) Product: Plesk Onyx 17.8.11 Update #95 /var/log/maillog says this:- Mar 21 17:13:54 server416 postfix/pipe[1981]: BD72B21DB1: to=<[email protected]>...

Monty, Thanks a lot for your response. I can now exclude change of hostname as a cause, taking into consideration the 'checks' you mentioned:- There are a few things however that you should check: Make sure the new hostname is a FQDN that can be resolved Make sure the entry in...

Hi, This is a quest for knowledge and would greatly appreciate advice from experienced Pleskians. In a previous post, I encountered the problem of "empty maillog". While working on a new rebuild, I remembered that the problem started after changing hostname via Plesk like this:- Tools &...

Hi Monty, Sorry about the delay, it has been hectic trying all sorts. "Plesk repair all" didn't find errors (STRANGE!) Plesk support must be done through our slow_uncooperative webhost. Their advice is that it might be quicker to re-build the server than get a response from Plesk. It would...

Monty, I am grateful for your responses. I will follow the 5 steps as per your suggestion. The server has the correct time. I am now more concerned about maillog being empty than the main issue because it is needed to check things. The file /etc/rsyslog.conf contains the lines: # Log all...

Sorry to bother you with this extra point: I have just noticed that /var/log/maillog is empty. Have tried to restart server, to no avail. I restarted syslog + postfix services: service syslog restart service postfix restart Then maillog is filled with entries dated June 28 ! Nothing is...

https://pastebin.com/A41dXccD

Thanks. I will do pastebin shortly and let you know when it's done (never used it before). The file main.cf is too large for plesk to accept (more than 10000 characters). Have tried to upload it but it won't accept extensions cf + txt or even withput extension. So I removed all the commented...

Thank you Monty. The two files are listed below. I have removed all the boobs etc But they are definitely not the cause of the rejection. The numbers in the filters are telephone numbers of spammers abroad. header_checks /free mortgage quote/ REJECT /repair your credit/ REJECT...

Hello, I am using ‪CentOS Linux 7.6.1810 + Plesk Onyx 17.8.11. Since I started using postfix with header_checks and body_checks, many emails sent by members have been rejected. I am not using anti-virus or spam filters, and no spamassasin. Samples from var/log/maillog are mentioned below...

Unfortunately it hasn't worked! I am thinking of deleting all email accounts and re-create them again. Problem is that even when I create a new email, sending works but it cannot receive!

Many thanks, Ales. I will try that now.

Could you please help by suggesting some clues or any step to solve this truly urgent matter? All accounts have passwords set, so perhaps passwords are not the cause in this case. I have found the following on the net and I am not sure if it is the right fix:- Fixing broken mail handlers do...

Update: Have tried plesk repair mail. No errors or warnings. I'm a complete novice but out of desperation have been searching for any clues. I've noticed on a couple of "problem" emails that the "Access to the Customer Panel" is checked. I wonder if this is related to the problem?

Thank you, m3lezZ, for your suggestion. In that post, the old "secret_key" is required. Unfortunately I don't have it. The migration was 2 months ago and the old system is no longer there.

Hi, I discovered 3 days ago that many emails were not delivered. The maillog in /var/log/ contains numerous lines like "No such user [email protected] in mail authorization database". I believe this problem started after a recent migration, but because there are hundreds of these...

Thank you, trialotto, for the detailed notes. I will carefully consider them before proceeding. Kind regards.

Monty, Thank you ever so much for both responses. Very useful. There is only one domain (and one subscription). I am more confident now that, if the database on the new server is empty, then restoring the database should work. Best regards!