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Got Error "550 5.7.0 Too many messages in too short a time frame" after upgrade to Version 23.0.2
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Hi,
After upgrade to 23.0.2 from 19.5.x. I got the problem from out script to send e-mail report to user.
as this log. I already ass IP to trust IP and Lan IPs in Security Manager. But still got the problem when we have send many auto report message. But for Version 19.5.x it did not have this problem.
Thu 2023-08-17 08:51:28.240: 05: Session 02780738; child 0004
Thu 2023-08-17 08:51:28.240: 05: Accepting SMTP connection from 192.168.1.138:51122 to 10.20.4.2:25
Thu 2023-08-17 08:51:28.242: 03: --> 220 Domain.com ESMTP Thu, 17 Aug 2023 08:51:28 +0700
Thu 2023-08-17 08:51:28.249: 02: <-- EHLO PC1
Thu 2023-08-17 08:51:28.250: 03: --> 250-Domain.com Hello PC1 [192.168.1.138], pleased to meet you
Thu 2023-08-17 08:51:28.250: 03: --> 250-ETRN
Thu 2023-08-17 08:51:28.250: 03: --> 250-AUTH LOGIN PLAIN
Thu 2023-08-17 08:51:28.250: 03: --> 250-8BITMIME
Thu 2023-08-17 08:51:28.250: 03: --> 250-ENHANCEDSTATUSCODES
Thu 2023-08-17 08:51:28.250: 03: --> 250-PIPELINING
Thu 2023-08-17 08:51:28.250: 03: --> 250-CHUNKING
Thu 2023-08-17 08:51:28.250: 03: --> 250 SIZE 35840000
Thu 2023-08-17 08:51:28.252: 02: <-- AUTH LOGIN
Thu 2023-08-17 08:51:28.252: 03: --> 334 VXNlcm5hbWU6
Thu 2023-08-17 08:51:28.252: 02: <-- bWlzX2FkbWluQGF5dC5oYW5hYmsudGguY29t
Thu 2023-08-17 08:51:28.252: 03: --> 334 UGFzc3dvcmQ6
Thu 2023-08-17 08:51:28.254: 02: <-- ******
Thu 2023-08-17 08:51:28.254: 01: Authenticating admin1@Domain.com...
Thu 2023-08-17 08:51:28.332: 01: Authenticated as admin1@Domain.com
Thu 2023-08-17 08:51:28.332: 03: --> 235 2.7.0 Authentication successful
Thu 2023-08-17 08:51:28.334: 02: <-- MAIL FROM: <admin1@Domain.com>
Thu 2023-08-17 08:51:28.338: 03: --> 250 2.1.0 Sender OK
Thu 2023-08-17 08:51:28.344: 02: <-- RCPT TO: <User1@Domain.com>
Thu 2023-08-17 08:51:28.346: 03: --> 550 5.7.0 Too many messages in too short a time frame
Thu 2023-08-17 08:51:28.374: 02: <-- RSET
Thu 2023-08-17 08:51:28.374: 03: --> 250 2.0.0 RSET? Well, OK
Thu 2023-08-17 08:51:28.380: 02: <-- MAIL FROM: <admin1@Domain.com>
Thu 2023-08-17 08:51:28.380: 03: --> 250 2.1.0 Sender OK
Thu 2023-08-17 08:51:28.381: 02: <-- RCPT TO: <User2@Domain.com>
Thu 2023-08-17 08:51:28.383: 03: --> 550 5.7.0 Too many messages in too short a time frame
Thu 2023-08-17 08:52:28.135: 02: <-- QUIT
Thu 2023-08-17 08:52:28.135: 03: --> 221 2.0.0 See ya in cyberspace
Thu 2023-08-17 08:52:28.135: 04: SMTP session terminated (Bytes in/out: 260/541)
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Arron Staff
This is a security feature in MDaemon that allows you to limit the number of messages that can be sent by accounts in given time frame. You can configure the settings by going to Security / Security Manager / Screening / Account HiJack Detection.
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@Arron Thank you.
