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Email subject mandatory

I want to forbid sending emails without a subject via SalesForce!

Or simply make the Email Subject A mandatory field!

Bests and Thank you

Brian Roberts 2Brian Roberts 2
Try using validation rules to stop the email sending if the subject is bank.

Thank you Brian,

Unfortunately, I did not succeed using the Validation Rules!
Could you please write to me what should I exactly do? Or giving me the code?

Thank you in advance,


Brian Roberts 2Brian Roberts 2
I will be in touch in a bit a tadge busy at present Best Regards I work odd hours due to the nature of the job, whilst it may suit me to email now, I do not expect a response or action outside of your own working hours. Brian Roberts FdEng DipM | Senior Business Analyst Field FX Voip 2443 Land: +44 (0)1202812443 Mobile: +44 (0)7468718753, Expro North Sea Ltd, Stag Business Park 164-166 Christchurch Road, Ringwood, Hampshire, BH24 3AS [Description:]