Sendmail - HELO string

Ima li na4in da smenya Helo indentifikacionniya string na Sendmail-a s kakyw-to az si iskam. W momenta toj e ot tipa host.domain.com, no kato pra6tam e-mail do [линк] go otkazwat i wry6tat gre6ka : Wrong Helo .....
Probwah s telnet sesiya na 25 port kym mail.bg i tam zadadoh Helo ot tipa : domain.com i mail-a mina... Ideyata mi e nyakyde w konfiguraciyata na sendmail da smenaya Helo stringa....Ako nyakoj ima ideya - 6te mu byda blagodaren da ya spodeli....

Zawisi ot MTA-to,
sys sendmail stawa :) wizh w sendmail.cf

to4no w sendmail.cf gledah, no ne widyah kyde moga da go promenyam.....

Che ne li ot tuka HELO stringa be?:
sendmail.cf

# my official domain name
# ... define this only if sendmail cannot automatically determine your domain
#Dj$w.mydomain.co.uk

nadali shte promenish svetovniq standart ....