Without looking too spammy how often should you post on forums with anchored signature links? I am currently posting on four forums (including this one) which have anchored keywords in the signature. How oft6en should I make posts without looking to spammy. All the posts are genuine/helpful and not just utter rubbish.
The same goes for posting guest comments on dofollow blogs. How often should I do this.
The forums I post on are not relevant to my niche, but I have chosen these because those that are related hardly get any posts or do not offer signature links.
Also what other methods can you suggest for back links that would help other than article submission and directory entries.



