Another alternative is to create a Control Card Data Set(s) and reference it from JCL
Control Card Data Set
HELO <Fully qualified LPAR>
MAIL FROM: <Valid Address>
RCPT TO: <Valid Address 1>
RCPT TO: <Valid Address 2>
DATA
FROM: <Valid Address>
TO: <Valid Address 1>
TO: <Valid Address 2>
SUBJECT: *** ESP ERROR REPORT UATM ON DVLP ***
MIME-VERSION: 1.0
CONTENT-TYPE: TEXT/HTML;
BOUNDARY="SIMPLE BOUNDARY"
<FONT FACE="COURIER" SIZE="+1" COLOR=BLUE>
<PRE>
JCL Email Step
//***************************************************************
//* EMAIL NOTIFICATION STEP EXECUTE SMTP IN BATCH *
//***************************************************************
//*
//SN001 EXEC PGM=IEBGENER,REGION=6144K,TIME=720
//SYSPRINT DD SYSOUT=*
//SYSUT1 DD DISP=SHR,DSN=
<Control Card Data Set>
// DD DISP=SHR,DSN=
<Data Set with information to send>
//*
//SYSUT2 DD SYSOUT=(B,SMTP)
//SYSIN DD DUMMY
//*