Re: Weird problem when sending mail with ERJavaMail

Thanks all who came up with ideas. With your help and the help of Mr. Google I finally found out what to do: Had to define the following property: mail.smtp.localhost=gugus.rucotec.ch This was not needed up to now but maybe, perhaps I did upgrade my mail server f

Re: Weird problem when sending mail with ERJavaMail

Hi Markus, do you have reverse DNS records in place that would resolve 192.168.56.46 to a FQDN? Maik > Am 27.04.2019 um 14:45 schrieb Markus Ruggiero : > > When I try to send mail I get that weird error and mail fails. Why would the > receiver address be rejected? I never had problems so far

Weird problem when sending mail with ERJavaMail

When I try to send mail I get that weird error and mail fails. Why would the receiver address be rejected? I never had problems so far. Anyone can spot something I miss? I am sending from the development machine which has a local DHCP address and thus no fully qualified host name, but the error