[ GSA SER Emails Mega Thread ] – GSA SER catchall Emails / Service Providers / Solutions

I made to create this thread for everyone.   Since we use GSA SER we need quality emails.  I know there are many catchall Email providers /  Major Email providers such as Yahoo , Google etc which is kinda expenses but best.
What kind of catchall services you guys use ?
What kind of solutions ?
How to create catchalls if you do your own ( If then what hosting / providers allows that )
Any tutorials etc ?
So far i use mixed emails.
I purchase catchalls from market places (where i am not soo happy and many catchall sellers domains are black list)
I purchase gmail / Hotmail / some private providers i found
Feel free to share yours and feel free to ask anything from mine..
LETS TALK ABOUT GSA Search engine ranker and Emails…
It’s all about emails..
 Let’s make this thread a GSA SER Email solution mega thread .
Note for admins : @Sven @S4nt0s   : I just wanted to create this thread to share knowledge . If mega threads or these kind of threads not allowed in this community please remove this.