Failed to deliver to 'aviarost-mdm(a)co.ru'
SMTP module(domain @194.85.128.29:[194.85.128.15]) reports:
host 194.85.128.15 says:
550 5.1.1 <aviarost-mdm@co.ru>... User unknown
Failed to deliver to 'aviarost(a)co.ru'
SMTP module(domain @194.85.128.29:[194.85.128.15]) reports:
host 194.85.128.15 says:
550 5.1.1 <aviarost@co.ru>... User unknown