What tools make your PR job easier?

I’ve been doing PR solo for the last few years and I was wondering what tools you recommend (free especially or cheap) to send bulk emails and also increase productivity.

I’ve amassed a ton of contacts and I find it impossible to individually email all of them (which I stupidly have been doing, but to add a personal touch), then it gets so overwhelming and I cry in a corner and give up. I love tailoring them especially if I’ve spoke to them before but omgggg there’s so much. I’ve seen some fails where people send me emails and it has mailchimp and obvious newsletter footers. I’ve read about people automatically deleting or unsubscribing so I prefer to avoid that. Also seen people use mailtrack and it visibly says “this email was sent with mailtrack” which I don’t want them to see I’m tracking them or bulk emailing.

I’ve also seen people send me emails that look exactly like a regular personal email but I know it’s a bulk email

Any tips would be appreciated and any other services you can recommend for people in PR to increase productivity