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http://www.postfix.org/postconf.5.html#smtpd_reject_unlisted_recipient Problem is there is no example of how to use them. I am using google search on how people reject.

I think its because i might have changed file user . default is syslog:adm i changed it to root:root and caused many problems

Scenario 1. Site may be hacked and someone using some form to keep sending email with your email account. 2. Also someone act as email client or hack webmail password and send it . Most of the cases it will be send from your domain email. We cant fool proof that. But i am thinking of...

I had same happened in Lightsail now. outgoing email work. Incoming email stopped. so no local email. Its all connected to maillog which stopped updating.

Ok solved. it took 7 days amazon aws team to repsond to make it work

I was trying to send webmail (roundcube) i got SMTP(-1) error roundcube error log has this error:1408F10B:SSL routines:ssl3_get_record:wrong version number in /usr/share/psa-roundcube/vendor/pear/net_socket/Net/Socket.php on line 159 [21-Dec-2021 00:43:12 UTC] PHP Warning...

All my emails stuck in mailqueue if i send it. Also i send emails from gmail it got bounced. Whats going on? how to solve it? I am stuck. I asked aws to unblock ports, they say its unblocked Help!!Pls. Dec 20 11:21:19 eager-lichterman postfix/smtp[40605]: : to=<gmail.com>, relay=none...

1. My client site hacked through contact.php form and someone send truck load of emails nov26 onwards. We found only that on dec 8. 2. By that time all our ips got blocked. 3. Deleted 8gb mailqueue. replaced qmail with postfix and send delisting to all providers. Now i have choice to find...

Here is my headache 1. Created domain site with PLESK - username /pass padmin/test123 httpdocs padmin:psaserv 2. Lightsail give ubuntu username for ssh key file. Logged in through SFTP and try to upload file it has ubuntu:root as file user / group - failed chown -R ubuntu:ubuntu httpdocs...

its banning and unbanning automatically without me unbanning. Whats going on? there was 12 ip now 4ip in banned ips.

It picked only few. it did not pick up this it did pick up this

oops my mistake. Instead of maillog i created new file. :) once i changed to var/log/maillog it got applied

Added postfix_sasl in Plesk ippanning This is the settings now. Can some one make one that working. i dont see any banned ipaddress

i deleted maillog by mistake and it stopped recording. ran these commands # /etc/init.d/postfix restart # service rsyslog restart <-- And it worked

Also var/log/fail2ban.log shows this but no banned ip in plesk panel

My fail2ban.conf shows this . NO SASL ban?

I want to know my site stopped spamming. Nov 26 spam attack happened and microsoft blocked our site. Dec 1st we found that disk is full. Deleted mailqueue full (8GB). Thought its mailqueue. But it seems to start spamming. Changed all passwords now. Ftp Email and site password to 24char. I...

But microsoft blocked our ip sending email to microsoft site. Also mxlookup also blocklisted

Can someone tell me some one got access to the system? Mediatemple is not helping to resolve this issue. They were sending every 3min before . After i removed qmail replaced with postfix ...i still get this but not that frequent ...its still coming. How they get access?

Anyway to ban only login failed? Dec 13 11:56:14 postfix/smtpd[1330]: connect from unknown[141.98.10.220] Dec 13 11:56:14 plesk_saslauthd[1332]: listen=6, status=5, dbpath='/var/spool/postfix/plesk/passwd.db', keypath='/var/spool/postfix/plesk/passwd_db_key', chroot=0, unprivileged=1 Dec 13...