All other mail-adresses works.
In maillog I see this messages:
CODE
Mar 16 12:01:37 gsmhosting qmail: 1047837697.262994 status: local 0/10 remote 0/20
Mar 16 12:03:23 gsmhosting qmail: 1047837803.262188 starting delivery 909: msg 9404667 to remote [email]addy03@gmx.de[/email]
Mar 16 12:03:23 gsmhosting qmail: 1047837803.262258 status: local 0/10 remote 1/20
Mar 16 12:03:23 gsmhosting qmail: 1047837803.266366 delivery 909: deferral: Sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/
Mar 16 12:03:23 gsmhosting qmail: 1047837803.266438 status: local 0/10 remote 0/20
Mar 16 12:03:31 gsmhosting qmail: 1047837811.266103 starting delivery 910: msg 9404660 to remote [email]der.Neo@gmx.net[/email]
Mar 16 12:03:31 gsmhosting qmail: 1047837811.266176 status: local 0/10 remote 1/20
Mar 16 12:03:31 gsmhosting qmail: 1047837811.417878 delivery 910: deferral: Sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/
Mar 16 12:03:23 gsmhosting qmail: 1047837803.262188 starting delivery 909: msg 9404667 to remote [email]addy03@gmx.de[/email]
Mar 16 12:03:23 gsmhosting qmail: 1047837803.262258 status: local 0/10 remote 1/20
Mar 16 12:03:23 gsmhosting qmail: 1047837803.266366 delivery 909: deferral: Sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/
Mar 16 12:03:23 gsmhosting qmail: 1047837803.266438 status: local 0/10 remote 0/20
Mar 16 12:03:31 gsmhosting qmail: 1047837811.266103 starting delivery 910: msg 9404660 to remote [email]der.Neo@gmx.net[/email]
Mar 16 12:03:31 gsmhosting qmail: 1047837811.266176 status: local 0/10 remote 1/20
Mar 16 12:03:31 gsmhosting qmail: 1047837811.417878 delivery 910: deferral: Sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/
I canīt find an error in config, because 1-2 days ago all worked