[server] Make sender email configurable (#1696)

Ref:
#1582 (reply in thread)

server/configurations/local.yaml

@@ -180,6 +180,9 @@ smtp:
  port:
  username:
  password:
+ # The email address from which to send the email. Set this to an email
+ # address whose credentials you're providing.
+ email:
 
 # Zoho Zeptomail config (optional)
 #

server/pkg/utils/email/email.go

@@ -38,6 +38,7 @@ func sendViaSMTP(toEmails []string, fromName string, fromEmail string, subject s
  smtpPort := viper.GetString("smtp.port")
  smtpUsername := viper.GetString("smtp.username")
  smtpPassword := viper.GetString("smtp.password")
+ smtpEmail := viper.GetString("smtp.email")
 
  var emailMessage string
 
@@ -50,6 +51,11 @@ func sendViaSMTP(toEmails []string, fromName string, fromEmail string, subject s
  emailAddresses += email
  }
 
+ // If an sender email is provided use it instead of the fromEmail.
+ if smtpEmail != "" {
+ fromEmail = smtpEmail
+ }
+
  header := "From: " + fromName + " <" + fromEmail + ">\n" +
  "To: " + emailAddresses + "\n" +
  "Subject: " + subject + "\n" +