Send outlook mail from non primary account using python

 import win32com.client as client
import datetime
outlook=client.Dispatch("Outlook.Application")
message=outlook.Createitem(0)
namespace=outlook.GetNameSpace('MAPI')
inbox=namespace.GetDefaultFolder(6)
message=inbox.items.add
message.To="allsourav@gmail.com;allsourav2@gmail.com"
message.CC="souravandamiya@gmail.com"
message.BCC="allsourav2@gmail.com"
From = None
for myEmailAddress in outlook.Session.Accounts:
    
    if str(myEmailAddress)=="allsourav@gmail.com":
        From = myEmailAddress
        break

if From != None:
    # This line basically calls the "mail.SendUsingAccount = xyz@email.com" outlook VBA command
    message._oleobj_.Invoke(*(64209, 0, 8, 0, From))

##message.SentOnBehalfOfName='"Sourav IT Faculty" <allsourav@gmail.com>'
##this method does not work with new version of outlook,it is for sending
##mail from non primary account set up in outlook

   
message.Subject="Happy Birthday on 14.09.2021"
message.Body="Wish you a happy birthday ,\n learning outlook using python again"
message.Importance=2
message.ReadReceiptRequested=True
message.OriginatorDeliveryReportRequested=True
#message.DeferredDeliveryTime="15/09/2021 01:31:05 AM"
#cSendDate=datetime.date.today() #todays date
#cSendDate=(datetime.date.today() + datetime.timedelta (days=1)).strftime("%d-%m-%y") #tomorrows date
#cSendDate=datetime.datetime.now() + datetime.timedelta(days=1) #1 day from current datetime
#cSendDate=datetime.datetime.now() + datetime.timedelta(minutes=2) #2 minutes from now
#cSendDate=cSendDate.strftime("%d/%m/%Y %H:%M:%S %p") #formats the date like the outlook wants it in "15/09/2021 01:31:05 AM" in this format
#print(cSendDate)
#message.DeferredDeliveryTime=cSendDate

message.Save()
message.Display()
message.Send()

Instruct outlook to send a mail in future in a predetermined time using python(deferred delivery)

 import win32com.client as client
import datetime
outlook=client.Dispatch("Outlook.Application")
message=outlook.Createitem(0)
namespace=outlook.GetNameSpace('MAPI')
inbox=namespace.GetDefaultFolder(6)
message=inbox.items.add
message.To="allsourav@gmail.com;allsourav2@gmail.com"
message.CC="souravandamiya@gmail.com"
message.BCC="allsourav2@gmail.com"
message.Subject="Happy Birthday on 14.09.2021"
message.Body="Wish you a happy birthday ,\n learning outlook using python again"
message.Importance=2
message.ReadReceiptRequested=True
message.OriginatorDeliveryReportRequested=True
#message.DeferredDeliveryTime="15/09/2021 01:31:05 AM"
#cSendDate=datetime.date.today() #todays date
#cSendDate=(datetime.date.today() + datetime.timedelta (days=1)).strftime("%d-%m-%y") #tomorrows date
#cSendDate=datetime.datetime.now() + datetime.timedelta(days=1) #1 day from current datetime
cSendDate=datetime.datetime.now() + datetime.timedelta(minutes=2) #2 minutes from now
cSendDate=cSendDate.strftime("%d/%m/%Y %H:%M:%S %p") #formats the date like the outlook wants it in "15/09/2021 01:31:05 AM" in this format
print(cSendDate)
message.DeferredDeliveryTime=cSendDate

message.Save()
message.Display()
#message.Send()

Error connecting outlook from python using pywin32 ,server execution failed solved

 As it is mentioned in the below page if outlook and python both are running ,both need to run in same privilege mode,either both in normal user or administrator(elevated) mode.

https://stackoverflow.com/questions/12705249/error-connecting-to-outlook-via-com

Line break in a mail body with Win32Com

import win32com.client as client
outlook=client.Dispatch("Outlook.Application")
message=outlook.Createitem(0)
namespace=outlook.GetNameSpace('MAPI')
inbox=namespace.GetDefaultFolder(6)
message=inbox.items.add
message.To="allsourav@gmail.com;allsourav2@gmail.com"
message.CC="souravandamiya@gmail.com"
message.BCC="allsourav2@gmail.com"
message.Subject="Happy Birthday"
message.Body="Wish you a happy birthday ,\n learning outlook using python again"
message.Importance=2
message.ReadReceiptRequested=True
message.OriginatorDeliveryReportRequested=True
message.Save()
message.Display()
#message.Send()

Set Importance ,read receipt and delivery receipt statuses in outlook mail using python

 import win32com.client as client
outlook=client.Dispatch("Outlook.Application")
message=outlook.Createitem(0)
namespace=outlook.GetNameSpace('MAPI')
inbox=namespace.GetDefaultFolder(6)
message=inbox.items.add
message.To="allsourav@gmail.com;allsourav2@gmail.com"
message.CC="souravandamiya@gmail.com"
message.BCC="allsourav2@gmail.com"
message.Subject="Happy Birthday"
message.Body="Wish you a happy birthday ,learning outlook using python again"
message.Importance=2
message.ReadReceiptRequested=True
message.OriginatorDeliveryReportRequested=True
message.Save()
message.Display()
#message.Send()