Re: lost connections

2020-09-11 Thread Sonic
Thank you! I think I found the issue - the new phone system was installed configured on vlan 200, but the smtp settings were copied over from the old system which was on the default vlan 1 so what was happening was that the voicemail system was contacting the smtp server via the vlan 1 address (ro

Re: lost connections

2020-09-11 Thread Wietse Venema
Sonic: > We're getting many lost connections from our new phone systems > voicemail to email service. The actual voicemails and other emails > send OK but we also see constant hits anywhere from every minute to 8 > minutes on the mail server from the phone system that are lost > connections. The ph

Re: Lost Connections on a Grand Scale - is it DoS and should I report it?

2014-10-12 Thread Wietse Venema
Robert Sharp: > Hi, > > I often get a spate of lost connections from servers chancing to access > my email via SMTP AUTH (which I do not offer), and I usually ignore > them. I may get a session with up to 1,000+ connections usually from a > whole list of servers and none trying more than a doze