We have received several support requests regarding interrupted mailflow between Exchange Online and SeppMail appliances. The mailflow is interrupted since 07.03.2024 at 23:00 CET time. In the MS365 logs, the following error message is shown:
We have received several support requests regarding interrupted mailflow between Exchange Online and SeppMail appliances. The mailflow is interrupted since 07.03.2024 at 23:00 CET time. In the MS365 logs, the following error message is shown:
3CX is a very widespread UC solution (phone system or also known as PBX). FortiGate is a very widespread firewall solution. Both of the products are very good in doing their thing. But to work together, a littlebit of configuration work is needed. Below you can find an example configuration…
Im Boll Support treffen in den letzten Wochen vermehrt SeppMail Anfragen ein. Seit Microsoft in MS365 Exchange Online einige Anpassungen im Spamfilter (Defender Funktion) gemacht hat, werden die Mails als Spam quarantänisiert, welche von der SeppMail zu MS365 in paralleler Konfiguration hochgesendet werden. Offenbar wurde die Änderung noch nicht auf…
Fortinet has introduced a new configuration parameter in FortiOS 7.2.4 and higher. The setting is “http-supported-max-version” that is configurable under “config firewall vip”. Symptoms After an upgrade of the FortiOS to 7.2.4, some websites that are published over a virtual server on the FortiGate are loading infinite. A part of…
From time to time we face performance problems on FortiGate units in our daily support life. Most often the impacts of performance problems on the FortiGate are not typical. Or let’s say “not as an admin that is not familiar with FortiGates would expect”. The expectations vary from high delay…
In this post we want to share some of the most seen reasons for slow performance on FortiGate appliances with you. This are experiences we’ve made in our support department and is not a concluding list. Traffic shapers Traffic shaping is an evergreen topic. We have already written two blog…
Since FortiOS 7.4.2 it is possible to log into your FortiGate WebAdmin locally or via the remote management feature in the FortiGate Cloud using the FortiCloud IAM credentials. The configuration procedure is quite simple and documented in this Fortinet KB article. A very important detail from this article is the…
Limited throughput on network devices is a common problem. We handle a lot of cases with thtroughput issues and have written a guide on how we recommend to start troubleshooting in such cases.
Traffic can be UTM inspected on the FortiGate either flow-based or proxy-based. Both inspection modes have advantages and disadvantages. Therefore it is very important to use the right inspection mode for the concerning purpose.
Last Update: 06. October 2023 The Proofpoint Essentials email security product has been growing in popularity for some time. This is not least because Proofpoint Essentials is easy to set up, offers a simple and clear web interface for administration and covers most standard Swiss SMB email scenarios very well….